MPS EV26059DQ-00B Manual de usuario

EV26059DQ-00B

Single-Cell 1A Linear Li-Ion

Battery Charger Evaluation Board

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION –INTERNAL USE ONLY

EV26059DQ-00B Rev. 1.0 www.MonolithicPower.com 1

8/14/2017 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

DESCRIPTION

The EV26059DQ-00B is an evaluation board for

the MP26059, a linear, high-performance single

cell Li-Ion battery charger.

The MP26059 features constant current (CC)

and constant voltage (CV) charging modes with

programmable charge currents (200mA to 1A),

Time out control, battery full terminated control,

thermal protection, battery temperature

monitoring, reverse current blocking and trickle

charge. The device also provides AC adapter

power good and charge status indications to the

system.

ELECTRICAL SPECIFICATION

Parameter

Symbol

Value

Units

Input Voltage

VIN

Charge Current

ICHG

0.8

FEATURES

Adapter or USB Input

Programmable Charge Current: 200mA to 1A

Proprietary Over-Voltage Protection

0.75% VBATT Accuracy

Battery Temperature Monitoring

AC Adapter Power Good Indicator

Charge Status Indicator

Battery full terminated control

Timer off control

Fully Assembled and Tested

APPLICATIONS

Cell Phones

MP3 Players

Smart Phones

PDAs

Digital Cameras

“MPS” and “The Future ofAnalog IC Technology” are RegisteredTrademarks of

Monolithic PowerSystems, Inc.

EV26059DQ-00B EVALUATION BOARD

(L x W x H) 2.0” x 1.9” x 0.5”

(5.0cm x 4.8cm x 1.2cm)

Board Number

MPS IC Number

EV26059DQ-00B

MP26059DQ

EV26059DQ-00B –SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER EVAL BOARD

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION –INTERNAL USE ONLY

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EVALUATION BOARD SCHEMATIC

EV26059DQ-00B BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

4.7μF

Ceramic Cap., 50V,

X7R

1210

Murata

GRM32ER71H475K

Holystone

C1210B475M035T

Not Stuffed

1206

0.1μF

Ceramic Cap., 16V,

X7R

0603

Murata

GRM188R71C104K

2.2μF

Ceramic Cap., 16V,

X7R

1210

Murata

GRM32MR71C225M

2.2μF

Ceramic Cap.,

6.3V,X7R

0805

Murata

GRM21BR70J225K

JP1,

JP2,

JP3

3x2-Pin Connector

Header, 0.100"

Molex

10-89-1601

LED1

Led Green, Surface

Mount

0805

Panasonic

LNJ306G5URA

LED2

Led Red, Surface

Mount

0805

Panasonic

LNJ206R5RRX

R1,

1kΩ

Film Res., 5%

0603

Panasonic

ERJ-3GEYJ102V

499kΩ

Film Res., 1%

0603

Panasonic

ERJ-3EKF4993V

100kΩ

Film Res., 1%

0603

Panasonic

ERJ-3EKF1003V

2.21kΩ

Film Res., 1%

0603

Panasonic

ERJ-3EKF2211V

3.6kΩ

Film Res., 1%

0603

YAGEO

9C06031A3601FKHFT

8.66kΩ

Film Res., 1%

0603

Panasonic

ERJ-3EKF8661V

Not Stuffed

0603

0Ω

Film Res., 5%

0603

YAGEO

9C06031A0000FKHFT

Linear Charger

QFN10

MPS

MP26059DQ

EV26059DQ-00B –SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER EVAL BOARD

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION –INTERNAL USE ONLY

EV26059DQ-00B Rev. 1.0 www.MonolithicPower.com 3

8/14/2017 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PRINTED CIRCUIT BOARD LAYOUT

Figure 1—Top Silk Layer Figure 2—Top Layer

Figure 3—Bottom Layer

EV26059DQ-00B –SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER EVAL BOARD

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION –INTERNAL USE ONLY

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.

EV26059DQ-00B Rev. 1.0 www.MonolithicPower.com 4

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QUICK START GUIDE

The output voltage on this board is preset to 4.2V (for a single cell battery). The board layout

accommodates most commonly used capacitors.

The LEDs are power indicators. When LED1 is on, the 5V input and Enable High (>2.8V) are present

(LED1 is off when the input is disconnected). When LED2 is on, the battery is charging, and when the

battery is full or there is no battery connected, LED 2 will turn off.

1. Set the charge current ICHG using the jumpers JP1, JP2 and JP3 per the following table:

JP1

JP2

JP3

ICHG

1000mA

800mA

700mA

500mA

200mA

Where “X” indicates a connection.

2. Attach the positive and negative ends of the load to the VOUT and GND pins, respectively.

3. Attach the input voltage (VIN=5V) and the input ground to the VIN and GND pins, respectively.

4. The timer cap, C5 on EVB is 2.2µF. This will set the oscillator frequency to be 5Hz. For different

oscillator frequency setting, please follow the formula:

osc 5

2.2μF

F = 5Hz C



5. Attached the Enable Voltage (>2.8V) and the input ground to the EN and GND pins

respectively.

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