Texas Instruments Bq25600 Manual de usuario

SLUUBK9–September 2017

bq25600, bq25600D PWR771 Evaluation Module

User's Guide

SLUUBK9–September 2017

bq25600, bq25600D PWR771 Evaluation Module

This user's guide provides detailed testing instructions for the bq25600 and bq25600D evaluation modules

(EVM). Also included are descriptions of the necessary equipment, equipment setup, and procedures. The

reference documentation contains the printed-circuit board layouts, schematics, and the bill of materials

(BOM).

Contents

1 Introduction ................................................................................................................... 2

1.1 EVM Features....................................................................................................... 2

1.2 I/O Descriptions..................................................................................................... 2

2 Test Summary................................................................................................................ 4

2.1 Equipment ........................................................................................................... 4

2.2 Equipment Setup.................................................................................................... 4

2.3 Test Procedure...................................................................................................... 6

3 PCB Layout Guideline....................................................................................................... 7

4 Board Layout, Schematic, and Bill of Materials.......................................................................... 7

4.1 Schematic............................................................................................................ 7

4.2 Bill of Materials .................................................................................................... 10

List of Figures

1 Connections of the EV2300/2400 Kit ..................................................................................... 4

2 Original Test Setup for bq25600xEVM.................................................................................... 5

3 Selection Window of bqStudio Evaluation Software .................................................................... 5

4 Schematic for bq25600 EVM............................................................................................... 8

5 Schematic for bq25600D EVM............................................................................................. 9

List of Tables

1 Device Data Sheets ......................................................................................................... 2

2 PWR771 EVM Connections................................................................................................ 2

3 EVM Jumper Connections and Shunt Installation....................................................................... 3

4 Recommended Operating Conditions..................................................................................... 3

5 bq25600EVM-771 Bill of Materials....................................................................................... 10

6 bq25600DEVM-771 Bill of Materials..................................................................................... 14

Trademarks

All trademarks are the property of their respective owners.

Introduction

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1 Introduction

1.1 EVM Features

For detailed features and operation, see Table 1 for a list of devices and their data sheets.

Table 1. Device Data Sheets

Device Data Sheet EVM Label Variant

bq25600 SLUSCJ4 bq25600EVM-771 003

bq25600D SLUSCJ4 bq25600DEVM-771 004

The bq25600(D) evaluation module (EVM) is a complete charger module for evaluating an I2C-controlled

single NVDC-1 charge using the bq25600(D) device.

This EVM does not include the USB-to-GPIO or EV2300/EV2400 interface board. To evaluate the EVM, a

USB-to-GPIO interface board must be ordered separately.

1.2 I/O Descriptions

Table 2 lists the jumper connections available on this EVM.

Table 2. PWR771 EVM Connections

Jack Description

J1-VAC Input: positive terminal

J1-GND Input: negative terminal (ground terminal)

J2-PMID PMID pin connection, power bank output

J2-GND Ground and power bank output negative terminal

J3 Output mini-USB port

J4-SYS Connected to system

J4-GND Ground

J5-BAT Connected to battery pack

J5-BATSNS Connected to battery pack for voltage sensing

J5-GND Ground

J6 I2C 4-pin connector

J7 USB-TO-GPIO connector

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bq25600, bq25600D PWR771 Evaluation Module

Table 3 lists the EVM jumper connections.

Table 3. EVM Jumper Connections and Shunt Installation

Jack Description bq25600 Setting bq25600D Setting

JP1 D+ and PSEL pin selection Short PSEL to low Not installed

JP2 CE pin setting: pull low to enable the charge Installed Installed

JP3 SCL and OTG pin setting Not installed Not installed

JP4 STAT, PG, CE, INT, OTG pins internal pullup source (VSYS

or BAT) Short to VSYS Short to VSYS

JP5 TS pin to GND Not installed Not installed

JP6 TS resistor divider pullup source (REGN) connection Installed Installed

JP7 Internal 10 k to GND to TS pin Installed Installed

JP8 BATSNS selection Short to BAT Short to BAT

JP9 QON and VSET pin setting Not installed Not installed

JP10 STAT pin setting Installed Installed

JP12 SDA and PG pin setting Installed Not installed

JP13 D+ and PSEL to J3 Not installed Installed

JP14 D- and PG to J3 Not installed Installed

JP15 D- and PG pin setting Installed Not installed

JP100 Add 1-µF (C100) VBUS capacitor Not installed Not installed

JP101 Add 10-µF (C101) PMID capacitor Not installed Not installed

JP103 Add 10-µF (C103) SYS capacitor Not installed Not installed

JP104 Add 4.7-µF (C104) BAT capacitor Not installed Not installed

S1 QON control Default off Default off

S2 Switch to short indicator LEDs Default off Default off

Table 4 lists the recommended operating conditions for this EVM.

Table 4. Recommended Operating Conditions

Symbol Description MIN TYP MAX UNIT

Supply voltage, VVBUS Input voltage from AC adapter 3.9 5 14 V

Battery voltage, VBAT Voltage applied at VBAT terminal 0 4.208 4.624 V

IBAT Fast charging current 0 2.5 A

IBATOP Discharging current through

internal MOSFET 0 6 A

Supply current, IIN Maximum input current from AC

adapter input 0 3.25 A

To Computer

USB Port

4-Pin

Cable to

EVM

I2C

EV2300/2400

Texas Instruments

USB

Test Summary

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2 Test Summary

2.1 Equipment

This section includes a list of supplies required for testing this EVM.

• Power supply: Power supply #1 (PS#1): A power supply capable of supplying 5 V at 1 A is required.

While this part can handle larger voltage and current, it is not necessary for this procedure.

• Load #1:

– 4-quadrant supply, constant voltage < 4.5 V, A 0 – 20 V, 0 – 5 A, > 30-W system, DC electronic

load and setting as constant voltage load mode

– Kepco load: BOP 20 – 5M, DC 0 to ±20 V, 0 to ±5 A (or higher).

• Load #2: Use with Boost Mode, PMID to GND load, 10 Ω, 5 W or greater.

• Meters:

– Six Fluke 75 multimeters, (equivalent or better)

– Four equivalent voltage meters and two equivalent current meters. The current meters must be

capable of measuring 5-A current.

• Computer: A computer with at least one USB port and a USB cable. The bq25600DEVM evaluation

software must be properly installed.

• USB-to-GPIO Communication Kit: EV2300/EV2400 USB-based PC interface board.

• Software: Download bqStudio from www.ti.com.

1. Double click the Battery Management Studio-1.3.20_Build2-Setup installation file, follow the

installation steps. The software supports the Microsoft® Windows® XP and Windows 7 operating

systems.

2. Copy the bq25600 bqz file to C:\ti\BatteryManagementStudio\config

2.2 Equipment Setup

Use the following instructions to set up the equipment:

1. Set PS#1 for 5-V DC, 1-A current limit and then turn off the supply.

2. Connect the output of PS#1 in series with a current meter (multimeter) to J1 (VBUS and GND).

3. Connect a voltage meter across TP1 (VBUS) and TP18 (GND).

4. Turn on the load, set it to constant voltage mode and set the output to 2.5 V.

5. Turn off (disable) the load.

6. Connect the load to J5 (BAT and GND), as shown in Figure 2.

7. Connect one voltage meter across TP9 (BAT) and TP20 (GND) to measure the battery voltage and

another voltage meter across TP28 and TP29 to measure the battery current sensing resistor voltage.

The sensing resistor is 10 mΩ. It is also OK to use the optional current meter in series to measure the

battery current.

8. Connect the EV2300/2400 USB interface board to the computer with a USB cable and from the I2C

port to J8 with the 4-pin cable. The connections are shown in Figure 1.

Figure 1. Connections of the EV2300/2400 Kit

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Test Summary

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bq25600, bq25600D PWR771 Evaluation Module

9. Install shunts as shown in Table 3, or as shown in Figure 2.

Figure 2. Original Test Setup for bq25600xEVM

9. Turn on the computer and launch the Battery Management Studio (bqStudio).

10. Select Charger and bq25600 (or bq25600D, accordingly) evaluation software. Figure 3 shows the

main window of the software.

Figure 3. Selection Window of bqStudio Evaluation Software

Test Summary

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2.3 Test Procedure

2.3.1 Current Settings

To turn on PS#1, measure →Vsys (TP8(SYS), TP17(GND)) = 3.65 (typical).

2.3.2 Charge Voltage and Current Regulation of VIN and Device ID Verification

Verify the outputs and IC for the EVM.

2.3.3 Charger Mode Verification

1. Enable Load #1 from Section 2.2, Step 4 to 5.

2. Measure the voltage across J3 and J4 as follows:

• Measure →V(TP8(SYS), TP17(GND)) = 3.65 V (typical)

• Measure →V(TP9(BAT), TP17(GND)) = 2.5 V (typical)

• Measure →IBAT = 75 mA (typical) ( = precharge current)

3. Change the load to 3.7 V:

• Measure →V(TP8(SYS), TP17(GND)) = 3.8 V (typical)

• Measure →V(TP9(BAT), TP17(GND)) = 3.7 V (typical)

• Measure →IBAT = 1500 mA (typical) ( = fast charge current)

4. Adjust R10 to change the charging current.

5. Adjust R11 to change input current limit.

6. Turn off and disconnect Load #1.

7. Turn off and disconnect PS#1.

2.3.4 Boost Mode Verification

Follow these instructions for boost mode verification:

1. Do not install JP3.

2. If the constant voltage load connected from BAT+ to GND is not a 4-quadrant supply (sources current),

remove the load and use the power source disconnected in step one, set to 3.7 V and 2-A current limit,

and connect between BAT+ and GND.

3. Apply 10 Ω(5 W or greater) across J2 PMID(+) to GND(–).

4. Verify VPMID to GND on J2.

Measure →VPMID = 5.15 V (typical).

5. Turn off and disconnect the power supply.

6. Remove the 10-Ωresistor at PMID.

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PCB Layout Guideline

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bq25600, bq25600D PWR771 Evaluation Module

2.3.5 Helpful Tips

• The leads and cables to the various power supplies, batteries and loads have resistance. The current

meters also have series resistance. The charger dynamically reduces charge current depending on the

voltage sensed at its VBUS pin (using the VINDPM feature), BAT pin (as part of normal termination),

and TS pin (through its battery temperature monitoring feature via battery thermistor). Therefore,

voltmeters must be used to measure the voltage as close to the IC pins as possible instead of relying

on the digital readouts of the power supply. If a battery thermistor is not available, make sure shunts

JP9 and JP10 are in place.

• When using a source meter that can source and sink current as your battery simulator, TI highly

recommends adding a large (1000+ μF) capacitor at the EVM BAT and GND connectors in order to

prevent oscillations at the BAT pin due to mismatched impedances of the charger output and source

meter input within their respective regulation loop bandwidths. Configuring the source meter for 4-wire

sensing eliminates the need for a separate voltmeter to measure the voltage at the BAT pin. When

using 4-wire sensing, always ensure that the sensing leads are connected in order to prevent

accidental overvoltage by the power leads.

• For precise measurements of charge current and battery regulation near termination, the current meter

in series with the battery or battery simulator should not be set to auto-range and may need be

removed entirely. An alternate method for measuring charge current is to either use an oscilloscope

with hall effect current probe or place a 1% or better, thermally capable (for example, 0.010 Ωin 1210

or larger footprint) resistor in series between the BAT pin and battery and measure the voltage across

that resistor.

3 PCB Layout Guideline

Minimize the switching node rise and fall times for minimum switching loss. Proper layout of the

components minimizing high-frequency current path loop is important to prevent electrical and magnetic

field radiation and high-frequency resonant problems. This PCB layout priority list must be followed in the

order presented for proper layout:

1. Place the input capacitor as close as possible to the PMID pin and GND pin connections and use the

shortest copper trace connection or GND plane.

2. Put an output capacitor near to the inductor and the IC.

3. Decoupling capacitors should be placed next to the IC pins and make the trace connection as short as

possible.

4. Place the inductor input terminal and SW pin as close as possible. Minimize the copper area of this

trace to lower electrical and magnetic field radiation but make the trace is wide enough to carry the

charging current. Do not use multiple layers in parallel for this connection. Minimize parasitic

capacitance from this area to any other trace or plane.

5. It is OK to connect all grounds together to reduce PCB size and improve thermal dissipation.

6. Try to avoid ground planes in parallel with high frequency traces in other layers

See the EVM design for the recommended component placement with trace and via locations.

4 Board Layout, Schematic, and Bill of Materials

4.1 Schematic

Figure 4 shows the schematic for the bq25600 EVM.

1 2

3 4

5 6

7 8

9 10

DNP

R21

DNP

200

R19

DNP

200

R20

DNP SDA

SCL

PGND

VBUS 1

D- 2

D+ 3

ID 4

GND 5

VAC

PGND

SCL

SDA

/CE

D-_/PG

D+_PSEL

PGND

VBUS

VAC

GND

PMID

GND

Vbus: 3.9V to 14V

1000pF

DNP

PGND

10.0kR4

10.0k

JP3

DNP

/CE

AGND

TP2TP1

1µF

TP3 TP4 TP7

13V

DNP

2.21k

R17

30.1k

R23

R26

DNP

0.1µF

C11

DNP

System

GND

PGND

Battery

PGND

PULL-UP

GND

10µF

C10

10µF

C19

DNP

20V D3

DNP

VSYS: 3.5V to 4.75V

AGND

40V D2

DNP

0.047µF

R25

TP6

PGND

1µH

4.7k

R15

AGND

STAT

REGN

5,6,8 4,7

1,2,

CSD17313Q2

DNP

PGND

JP16

DNP

JP17

DNP

PGND

1µF

C18

DNP

SCL

SDA

VBUS PMID

VAC

SDA

D+_PSEL

D-_/PG

10k ohm

R10

DNP

221

DNP

2.80k

DNP

PGND

/CE

10K

20V

DNP

JP1

AGND

10.0k

REGN

D+_PSEL

JP2

/CE

AGND

PMID

10µF

C17

DNP

10µF

DNP

1000pF

DNP

4.7µF

AGND

PMID

/QON

JP5

10.0k

R24

5.23k

R22

JP6

REGN

JP7

REGN

110pF

DNP

INT

AGND

DNP

PGND

JP4

PULL-UP

JP18

DNP

JP11

DNP

1000pF

C12

DNP

10µF

C13

4.7µF

C20

DNP

4.7µF

C14

DNP

JP8

NT1

Net-Tie

R16

DNP

Green

REGN

RTOP TS

BATSNS

BAT

PSEL

GND

REGN

/CE

GND

OTG

TP9

TP8

SYS

BAT

SYS

TP5

REGN BATSNS INTSCL

TP10 TP11

TP12

DNP

TP13

D-_/PG

TP14 TP15

/QOND+_PSEL

TP16

/CE

TP17 TP18 TP19 TP20

AGNDPGND

BAT

SYS

PULLUP

158

R12

DNP

AGND

10k ohm

R11

DNP

1.00k

DNP

PULL-UP

SYS

DNP

BAT

DNP

PMID

DNP

BAT

SYS

PMID

JP13

DNP

SCL

JP9

DNP

AGND

/QON

1µF

C15

0.1µF

C16

AGND

STAT

BATSNS

BTST

JP10

2.21k

Green

JP12

SDA

TP21

VAC

R27

DNP

D-_/PG

10.0k

R29

DNP

JP14

DNP

JP15

10.0k

R13 PULL-UP

GND A1

GND B1

REGN C4

SYS C2

BAT C1

SW A2

SW B2

BTST C3

SYS D2

BAT D1

PMID

B3 PMID

STAT E5

SYS E2

BAT E1

VBUS

INT F4

SYS F2

BAT F1

SCL

SDA

PSEL

BATSNS F3

VAC

TS D3

QON D4

BQ25600YFFR

10.0kR28

TP22 TP23

0.01

R30

0.01

R31

DNP

BATCON

0.01

R32

TP24 TP27

TP25 TP26

TP28

TP29

1µH

DNP

BATSNS

Board Layout, Schematic, and Bill of Materials

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Figure 4. Schematic for bq25600 EVM

1 2

3 4

5 6

7 8

9 10

DNP

R21

DNP

200

R19

DNP

200

R20

DNP SDA

SCL

PGND

VBUS 1

D- 2

D+ 3

ID 4

GND 5

VAC

PGND

SCL

SDA

/CE

D-_/PG

D+_PSEL

PGND

VBUS

VAC

GND

PMID

GND

Vbus: 3.9V to 14V

1000pF

DNP

PGND

10.0kR4

10.0k

JP3

DNP

/CE

AGND

TP2TP1

1µF

TP3 TP4 TP7

13V

DNP

2.21k

R17

30.1k

R23

R26

DNP

0.1µF

C11

DNP

System

GND

PGND

Battery

PGND

PULL-UP

GND

10µF

C10

10µF

C19

DNP

20V D3

DNP

VSYS: 3.5V to 4.75V

AGND

40V D2

DNP

0.047µF

R25

TP6

PGND

1µH

4.7k

R15

AGND

STAT

REGN

5,6,8 4,7

1,2,

CSD17313Q2

DNP

PGND

JP16

DNP

JP17

DNP

PGND

1µF

C18

DNP

SCL

SDA

VBUS PMID

VAC

SDA

D+_PSEL

D-_/PG

10k ohm

R10

DNP

221

DNP

2.80k

DNP

PGND

/CE

10K

20V

DNP

JP1

DNP

AGND

10.0k

REGN

D+_PSEL

JP2

/CE

AGND

PMID

10µF

C17

DNP

10µF

DNP

1000pF

DNP

4.7µF

AGND

PMID

/QON

JP5

10.0k

R24

5.23k

R22

JP6

REGN

JP7

REGN

110pF

DNP

INT

AGND

DNP

PGND

JP4

PULL-UP

JP18

DNP

JP11

DNP

1000pF

C12

DNP

10µF

C13

4.7µF

C20

DNP

4.7µF

C14

DNP

JP8

NT1

Net-Tie

R16

DNP

Green

REGN

RTOP TS

BATSNS

BAT

PSEL

GND

REGN

/CE

GND

OTG

TP9

TP8

SYS

BAT

SYS

TP5

REGN BATSNS INTSCL

TP10 TP11

TP12

DNP

TP13

D-_/PG

TP14 TP15

/QOND+_PSEL

TP16

/CE

TP17 TP18 TP19 TP20

AGNDPGND

BAT

SYS

PULLUP

158

R12

DNP

AGND

10k ohm

R11

DNP

1.00k

DNP

PULL-UP

SYS

DNP

BAT

DNP

PMID

DNP

BAT

SYS

PMID

JP13

SCL

JP9

DNP

AGND

/QON

1µF

C15

0.1µF

C16

AGND

STAT

BATSNS

BTST

JP10

2.21k

Green

JP12

SDA

TP21

VAC

R27

DNP

D-_/PG

10.0k

R29

JP14

JP15

DNP

10.0k

R13 PULL-UP

GND A1

GND B1

REGN C4

SYS C2

BAT C1

SW A2

SW B2

BTST C3

SYS D2

BAT D1

PMID

B3 PMID

STAT E5

SYS E2

BAT E1

VBUS

INT F4

SYS F2

BAT F1

SCL

SDA

D+

BATSNS F3

VAC

TS D3

QON D4

D-

BQ25600DYFFR

10.0kR28

TP22 TP23

0.01

R30

0.01

R31

DNP

BATCON

0.01

R32

TP24 TP27

TP25 TP26

TP28

TP29

1µH

DNP

BATSNS

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Board Layout, Schematic, and Bill of Materials

SLUUBK9–September 2017

bq25600, bq25600D PWR771 Evaluation Module

Figure 5 shows the schematic for the bq25600D EVM.

Figure 5. Schematic for bq25600D EVM

Board Layout, Schematic, and Bill of Materials

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4.2 Bill of Materials

Table 5 lists the bq25600EVM-771 BOM.

Table 5. bq25600EVM-771 Bill of Materials

Designator QTY Value Description Package

Reference Part Number Manufacturer Alternate Part

Number Alternate

Manufacturer

!PCB 1 Printed Circuit Board PWR771 Any

C1 1 1 µF Capacitor, ceramic, 1 µF, 35

V, ± 10%, X5R, 0603 0603 GMK107BJ105KA-T Taiyo Yuden

C3 1 10 µF Capacitor, ceramic, 10 µF,

25 V, ± 10%, X5R, 0805 0805 GRM21BR61E106KA73L Murata

C6, C13 2 4.7 µF Capacitor, ceramic, 4.7 µF,

16 V, ± 10%, X5R, 0603 0603 GRM188R61C475KAAJ Murata

C7 1 0.047 µF Capacitor, ceramic, 0.047

µF, 25 V, ± 10%, X7R, 0402 0402 GRM155R71E473KA88D Murata

C9, C10 2 10 µF Capacitor, ceramic, 10 µF,

10 V, ± 10%, X7R, 0805 0805 GRM21BR71A106KE51L Murata

C15 1 1 µF Capacitor, ceramic, 1 µF, 25

V, ± 10%, X7R, 0805 0805 GRM219R71E105KA88D Murata

C16 1 0.1 µF Capacitor, ceramic, 0.1 µF,

25 V, ± 10%, X7R, 0402 0402 GRM155R71E104KE14D Murata

D4, D5 2 Green LED, Green, SMD 1.6 × 0.8 × 0.8 mm LTST-C190GKT Lite-On

H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.44

× 0.20, clear Transparent

Bumpon SJ-5303 (CLEAR) 3M

J1, J2, J4 3 Connector, terminal block, 2-

POS, 3.81 mm, TH Terminal block, 2

POS 1727010 Phoenix Contact

J3 1 Connector, receptacle,

Micro-USB Type B, R/A,

bottom mount SMT

7.5 × 2.45 × 5 mm 0473460001 Molex

J5 1 Terminal block receptacle, 3

× 1, 3.81 mm, R/A, TH Terminal block, 3

POS 1727023 Phoenix Contact

J6 1 Header (friction lock), 100

mil, 4 × 1, R/A, TH 4 × 1 R/A header 22-05-3041 Molex

JP1, JP4, JP8 3 Header, 100 mil, 3 × 1, tin,

TH Header, 3-pin, 100

mil, tin PEC03SAAN Sullins Connector

Solutions

JP2, JP5, JP6,

JP7, JP10,

JP12, JP15

7 Header, 100 mil, 2 × 1, tin,

TH Header, 2-pin, 100

mil, tin PEC02SAAN Sullins Connector

Solutions

L1 1 1 µH Inductor, 1 µH, 3.2 A, 0.028

Ω, SMD 2.5 × 2 mm MPIM252010F1R0M-LF Microgate

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Festo

Festo Compact Performance CP-FB6-E Manual de lista de piezas

Elo TouchSystems

Elo TouchSystems DMS-SA19P-EXTME Manual de usuario

JS Automation

JS Automation MPC3034A Manual de usuario

JAUDT

JAUDT SW GII 6406 Series Guía rápida

Spektrum

Spektrum Air Module System Manual de usuario

BOC Edwards

BOC Edwards Q Series Manual de usuario

KHADAS

KHADAS BT Magic Manual de usuario

Etherma

Etherma eNEXHO-IL Manual de usuario

PMFoundations

PMFoundations Attenuverter Manual de usuario

GEA

GEA VARIVENT Manual de usuario

Walther Systemtechnik

Walther Systemtechnik VMS-05 Manual de usuario

Altronix

Altronix LINQ8PD Instrucciones de montaje

Eaton

Eaton Powerware Series Manual de usuario

WAGO

WAGO 750-407/040-000 Manual de usuario

Sony

Sony CCU-590 Manual de usuario

Graco

Graco 25D614 Manual de usuario

Task Force Tips

Task Force Tips YE-RF-900 Manual de programación

Shini

Shini SPV-U Series Manual de usuario

Texas Instruments bq25600 Manual de usuario

Manuales populares de Unidad de control de otras marcas