MPS EV2759-Q-00A Manual de usuario

EV2759-Q-00A

36V SW Charger with Power Path Management

For 1-6 Cell Batteries EV Board

EV2759-Q-00A Rev.1.0 MonolithicPower.com 1

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DESCRIPTION

The EV2759-Q-00A is an evaluation board for

the MP2759, a highly integrated switching

charger designed for portable devices with 1-6

cell series Li-ion or Li-polymer batteries pack. It

is able to achieve up to 3A charge current and

support variety of battery chemistry types with

different battery full voltage.

The MP2759 can operate under maximum 36V

DC input voltage. When input power supply is

present, the MP2759 charges the battery with

four phases: trickle-charge, pre-charge,

constant-current charge and constant-voltage

charge.

To guarantee safe operation, the MP2759 has

robust protection functions including: battery

over-voltage protection, battery temperature

sensing and protection, thermal shutdown, and

charging safety timer.

ELECTRICAL SPECIFICATION

Parameter Symbol Value Units

Input Voltage VIN 10 - 36 V

Input Current IIN Up to 3 A

Battery Charge

Regulation Voltage

VBATT_REG 3.6 - 4.4

Selectable

Fast Charge Current ICC Up to 3 A

FEATURES

Up to 36V Operation Input Voltage

Up to 3A Charge Current

1 to 6 Cell Series with 3.6V/4.0V/4.1V/

4.15V/4.2V/4.35V/4.4V Battery Regulation

Voltage for Each Cell

Input Current Limit Regulation

Input Minimum Voltage Regulation

Support OR Selection Power Path

Management

0.5% Battery Regulation Voltage Accuracy

Charge Operation Indicator

Input Status Indicator

Battery Over Voltage Protection

Charging Safety Timer

Battery Thermal Monitor and Protection with

JEITA Profile

APPLICATIONS

Industrial Medical Equipment

Power Tools

Robot and Portable Vacuum Cleaners

Wireless Speakers

ll MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website unde

Quality Assurance. “MPS” and “The Future of Analog IC Technology” are

registered trademarks of Monolithic Power Systems, Inc.

EV2759-Q-00A EVALUATION BOARD

(L × W × H) 6.35cm x 6.35cm x 1.3cm

Board Number MPS IC Number

EV2759-Q-00A MP2759GQ-0000

Efficiency vs. Charge Current

88%

90%

92%

94%

96%

98%

100%

0123

EFFICI ENC Y

IBATT/A

VIN=16V, VBATT=8.4V

VIN=16V, VBATT=12.6V

VIN=24V, VBATT=16.8V

VIN=30V, VBATT=25.2V

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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EVALUATION BOARD SCHEMATIC

100nF

VIN

BATT

10uH

20K

95.3K

80.6K

VCC

10K

RNTC1

GND

NTC

CELL

ILIM ISET

158K

ILIM

47.5K

R10

95.3K

ISET

LL OPEN = 28

1.5A 2A 2A 3A

2.2uF

ACOK

STAT

TP7

TP8

TP9

NTC

VCC

ACOK

STAT

VLI M

PMID

TP10

C3 10uF

1uF

100uF/50V

GND

20m

RS1

TP11

JP2

34.8K

R15

JP3

64.9K

R16

JP4

105K

R17

JP5

165K

R18

2N7002

10K

R12

100

R11

DISABLE

80.6K

JP1 JP6

1uF

VCC

JP8

34.8K

R19

CELL

JP9

64.9K

R20

JP10

105K

R21

JP11

165K

R22

JP7 JP12

VCC

5, 6, 7, 8

1, 2, 3

ZD1

R23

SYS

1N4148W

VIN

JP13

10K

RNTC2

LED2

LED1

TP12

TP13

TP14

GND

SW BATT

PMID

10uF

10K

221K

110K

R13

243K

R14

JP16

22V

JP14

10V

JP15

15V

806K

R24

JP17 JP18 JP19 JP20

NTC 12

ACOK

CELL

AGND

BATT 14

SW 3

ISET

PGNDPGNDPGND 7

,6,

STAT 8

VCC

BST4

PM ID 2

VLI M

CSP 15

ILIM

MP2759GQ

GND

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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EV2759-Q-00A BILL OF MATERIALS

Qty Ref Value Description Package Manufacturer Manufacturer PN

1 C1 1µF

Ceramic

Capacitor;50V;X7R 1206 muRata GRM31MR71H105KA88L

1 C2 10µF Electrolytic

Capacitor;50V;Electrolytic

DIP Jianghai

CD287-50V10

1 C4 100nF

Ceramic

Capacitor;50V;X7R;0603; 0603 muRata GRM188R71H104KA93D

1 C5 2.2µF

Ceramic

Capacitor;50V;X7R;1206; 1206 muRata GRM31CR71H225KA88L

1 C7 1µF

Ceramic

Capacitor;25V;X7R;0603 0603 muRata GRM188R71E105KA12D

1 C8 10µF

Ceramic

Capacitor;50V;X5R 1206 muRata GRM31CR61H106KA12L

1 C9 100µF

Electrolytic

Capacitor;50V;100uF DIP Rubycon 50YXF100MEFC

1 L1 10µH Inductor;10uH;35m;4A SMD Wurth 744066100

1 RS1 20mΩFilm Resistor;1%; 0805 Yageo RL0805FR-070R02L

2 R1, R9 95.3kΩFilm Resistor;1%; 0603 Yageo RC0603FR-0795K3L

2 R2, R8 80.6kΩFilm Resistor;1%; 0603 Yageo RC0603FR-0780K6L

3 R3,RNTC1,

RNTC2 10kΩFilm Resistor;1%; 0603 Yageo RC0603FR-0710KL

1 R4 221kΩFilm Resistor;1%; 0603 Yageo RC0603FR-07221KL

1 R5 20kΩFilm Resistor;5%; 0603 Yageo CR03T03705NJ20K

1 R6 2kΩFilm Resistor;1%; 0603 Yageo RC0603FR-072KL

1 R7 158kΩFilm Resistor;1% 0603 Yageo RC0603FR-07158KL

1 R10 47.5kΩFilm Resistor;1% 0603 Yageo RC0603FR-0747K5L

1 R11 100ΩFilm Resistor;1% 0603 Yageo RC0603FR-07100RL

1 R12 10kΩFilm Resistor;5%; 0603 Yageo RC0603JR-0710K

1 R13 110kΩFilm Resistor;1%; 0603 Yageo RC0603FR-07110KL

1 R14 243kΩFilm Resistor;1%; 0603 Yageo RC0603FR-07243KL

2 R15, R19 34.8kΩFilm Resistor;1% 0603 Yageo RC0603FR-0734K8L

2 R16, R20 64.9kΩFilm Resistor;1% 0603 Yageo RC0603FR-0764K9L

2 R17, R21 105kΩFilm Resistor;1% 0603 Yageo RC0603FR-07105KL

2 R18, R22 165kΩFilm Resistor;1% 0603 Yageo RC0603FR-07165KL

1 R23 1MegΩFilm Resistor;5%; 0603 Yageo RC0603JR-071ML

1 R24 806kΩFilm Resistor;1% 0603 Yageo RC0603FR-07806KL

1 LED1 Red LED Red 0805 BRIGHT LED F3D02R-4A

1 LED2 Green LED Green 0805 BRIGHT LED F3D02HG-1A

1 U1 MP2759GQ-0000

QFN-

3mm*3m

MPS MP2759GQ-0000

1 M1

P-Chnannel Mosfet, 60V,

23mΩSO-8 Analog Power AM4417P

1 M2 N-Channel Mosfet, 60V SOT-23 Fairchild 2N7002MTF

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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EV2759-Q-00A BILL OF MATERIALS(continued)

Qty Ref Value Description Package Manufacturer Manufacturer PN

1 D1 Diode;75V;0.15A SOD-123 Diodes 1N4148W

1 ZD1 11V Zener

Diode;11V;5mA/500mW;

SOD-123 Diodes BZT52C11

VIN, GND,

BATT, GND,

SYS, GND

2.0mm Connector DIP

4 TP7, TP8,

TP9, TP10 test point DIP

4 TP11, TP12,

TP13, TP14 ground test point SMD

JP1, JP2,

JP3, JP4,

JP5, JP6,

JP7, JP8,

JP9, JP10,

JP11, JP12,

JP13, JP14,

JP15, JP16,

JP17, JP18,

JP19, JP20,

VCC, NTC,

DISABLE

2.54mm Connector DIP

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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EVB TEST RESULTS

Performance curves and waveforms are tested on the evaluation board.

L = 10µH/35mΩ, CBATT=10µF, RSNS = 20mΩ, TA= 25°C, unless otherwise noted.

Battery Charge Curve

VIN=24V, 3 Cell, VBATT_REG=4.2V, ICC=3A,

IIN_LIM=2A

Trickle-Charge Steady State

VIN=24V, 4 Cell, VBATT=7V, ICC=3A, IIN_LIM=2A

CH2: VIN

CH4: IBATT

CH1: VBATT

CH3: VSW

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

Pre-Charge Steady State

VIN=24V, 4 Cell, VBATT=10V, ICC=3A, IIN_LIM=2A

CC-Charge Steady State

VIN=24V, 4 Cell, VBATT=12V, ICC=3A, IIN_LIM=2A

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

CV-Charge Steady State

VIN=24V, 4 Cell, VBATT=16.8V, ICC=3A,

IIN_LIM=2A

Power On, CC-Charge Mode

VIN=18V, 2 Cell, VBATT=8V, ICC=2A, IIN_LIM=2A

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

CH2: VIN

CH4: IBATT

CH1: VBATT

CH3: VSW

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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EVB TEST RESULTS (continued)

Performance curves and waveforms are tested on the evaluation board.

L = 10µH/35mΩ, CBATT=10µF, RSNS = 20mΩ, TA= 25°C, unless otherwise noted.

Power Off, CC-Charge Mode

VIN=18V, 2 Cell, VBATT=8V, ICC=2A, IIN_LIM=2A

Power On, Power Path Operation

VIN=18V, 2 Cell, VBATT=8V, ICC=2A, IIN_LIM=1A,

ISYS=0.9A

CH2: VIN

CH4: IBATT

CH1: VBATT

CH3: VSW

CH2: VIN

CH1: VSYS

CH4: IBATT

CH3: VSW

Power Off, Power Path Operation

VIN=18V, 2 Cell, VBATT=8V, ICC=2A, IIN_LIM=1A,

ISYS=0.9A

IIN_LIM Loop Control

VIN=24V, 3 Cell, VBATT=10V, ICC=3A, IIN_LIM=1A

CH2: VIN

CH1: VSYS

CH4: IBATT

CH3: VSW

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

VIN_LIM Loop Control

VIN=24V/1A, 3 Cell, VBATT=10V, ICC=3A,

IIN_LIM=2A, VIN_LIM=15V

VLIM On/Off

VIN=18V, 2 Cell, VBATT=8V, ICC=2A, IIN_LIM=2A,

DISABLE=5V/1Hz

CH2: VIN

CH1: VBATT

CH4: IL

CH3: VSW

CH2: VIN

CH1: DISABLE

CH4: IBATT

CH3: VSW

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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PRINTED CIRCUIT BOARD LAYOUT

Figure 1: Top Layer Figure 2: Middle Layer 1

Figure 3: Middle Layer 2 Figure 4: Bottom Layer

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

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QUICK START GUIDE

Table 1: Connectors

Connectors Description

TP1/VIN Connect to input source positive terminal

TP2/GND Connect to input source negative terminal

TP5/BATT Connect to battery pack positive terminal

TP4/GND Connect to battery pack negative terminal

TP3/SYS Connect to system load positive terminal

TP6/GND Connect to system load negative terminal

TP7/SW Test point of switching node

TP10/PMID Test point of PMID

DISABLE, VCC, NTC,

TP8/ACOK, TP9/STAT

Test connection for related signals

TP11, TP12, TP13, TP14 /

GND

Test point of ground

Table 2: Jumpers

Jumpers Description Alternative Default

JP1,JP2,JP3,JP4,JP5,JP6 Select battery regulation

voltage for each cell

3.6V/4.0V/4.15V/4.2V/4.

35V/4.4V

4.2V

JP7,JP8,JP9,JP10,JP11,JP12 Select battery cell numbers 1cell/2cell/3cell/4cell/5c

ell/6cell

3cell

JP13 NTC divider On board NTC divider

or pull-up only

NTC divider

JP14,JP15,JP16 Select input voltage minimum

limit

10V/15V/22V/28V 10V

JP17,JP18 Select input current limit 1A/1.5A/2A 2A

JP19,JP20 Select CC-charge current 1A/2A/3A 2A

This board is designed for MP2759 which is a highly integrated switching charger for 1-6 cell Li-ion/Li-

Polymer batteries in series. And layout accommodates most commonly used capacitors.

1, Connect the battery pack to BATT and GND connectors, take care that the battery positive/negative

terminal must not be reversely connected.

2, If using a battery emulator, preset the battery emulator to proper voltage and turn off the emulator,

connect to BATT and GND, then turn on the emulator output.

3, Preset an input power source to proper voltage and turn off the power source, connect the power

source to VIN and GND, then turn on the power source. The EVB would start charging.

4, Please confirm that the NTC jumper has been connected, otherwise it would not charge because of

NTC fault.

5, To modify the charging parameters, the EVB offers multiple options to be configured by the jumpers.

The charge current can be selected among 1A/2A/3A

The input current limit can be selected among 1A/1.5A/2A

The cell numbers can be selected among 1s/2s/3s/4s/5s/6s

The battery regulation voltage of each cell can be selected among

3.6V/4.0V/4.15V/4.2V/4.35V/4.4V

EV2759-Q-00A 36V SW CHARGER WITH PPM FOR 1-6S BATTERIES EV BOARD

NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should

warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application.

MPS will not assume any legal responsibility for any said applications.

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The input voltage minimum limit can be selected among 10V/15V/22V/28V.

6, Connect the system load to SYS and GND connectors if you need, take care that the positive/

negative terminal must not be reversely connected.

7, Please take care that the max system load current should not exceed the input source capacity, if the

system load has the possibility of exceeding the input source output current limit, a schottky diode is

required to bypass Q1 body diode.

Notes

For the other detailed description on the operation of this part, please contact local FAE to

apply the latest datasheet.

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