BD99958GW datasheet(2/130 Pages) ROHM

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BD99958GW Datasheet(PDF) 2 Page - Rohm

Part #	BD99958GW

Description	1 to 4-Cell Li-Ion Battery Manager For Application Processors

Download	130 Pages

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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BD99958GW Datasheet(HTML) 2 Page - Rohm

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21.Aug.2018 Rev.001

TSZ22111

• 15 • 001

www.rohm.com

BD99958GW

TSZ02201-0B4B0A700060-1-2

Contents

General Description ........................................................................................................................................................................1

Features..........................................................................................................................................................................................1

Package..........................................................................................................................................................................................1

Applications ....................................................................................................................................................................................1

Notation.......................................................................................................................................................................................3

Reference....................................................................................................................................................................................3

Introduction ..........................................................................................................................................................................4

1.1.

Typical Application Circuits ...............................................................................................................................................4

Pin Configuration..................................................................................................................................................................5

Pin Description .....................................................................................................................................................................6

Absolute Maximum Ratings .................................................................................................................................................7

Power Dissipation ................................................................................................................................................................7

Recommended Operating Conditions ..................................................................................................................................7

Function Descriptions...........................................................................................................................................................8

7.1.

Block Diagram ..................................................................................................................................................................8

7.2.

Electrical Characteristics for Battery Charger ...................................................................................................................9

7.3.

DC Input & Over Voltage Protection (OVP) .................................................................................................................... 11

7.4.

USB Detection ................................................................................................................................................................12

7.5.

DC/DC Converter ...........................................................................................................................................................13

7.6.

Charger ..........................................................................................................................................................................16

7.7.

Reverse DC/DC Converter .............................................................................................................................................18

7.8.

12-bit ADC ......................................................................................................................................................................19

7.9.

Power On .......................................................................................................................................................................20

Control Specification ..........................................................................................................................................................22

8.1.

SMBus Communication ..................................................................................................................................................22

8.2.

SMBus Protocols ............................................................................................................................................................22

8.3.

Command Code .............................................................................................................................................................24

8.4.

Resister Default Value ....................................................................................................................................................28

8.5.

Battery Charger Commands Description ........................................................................................................................31

8.6.

Extended Commands Description ..................................................................................................................................34

I/O Equivalence Circuit..................................................................................................................................................... 118

10.

Ordering Information ........................................................................................................................................................121

11.

Marking Diagram..............................................................................................................................................................121

12.

Physical Dimension and Packing Information ..................................................................................................................122

13.

Operational Notes ............................................................................................................................................................123

14.

Revision History ...............................................................................................................................................................126

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