SC908 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC908

Power Management IC for Single-Cell Li-Ion Devices

Semtech Corporation 

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SC908

Block Diagram With Typical Application Circuit

VSYS

2

CVSYS

VSYS

Regulation

VSYS

4.2V

Reference

VREF

10

Voltages

VREF

Fast Charge Ref

Pre-Charge Ref

CVREF

VTH-cold

(0.75VCC)

VTH-hot

(0.3VCC)

RNPU

EN_NTC

23

NTC

Interface

Control

Pre-Charge On

Fast Charge On

Over Temp

Under Voltage

Over Voltage

Pre-Charge Ref

RNTC

RRTIME

RTIME

5

Timer

Qterm

Fast Charge Ref

17 CPB

19 CHRGB

VREF

LDO

FLTB

15

LBATB

16

RRLBAT

RLBAT

6

SVIN

VAD

1

Qpass

Charging

Adapter

CVAD

BSEN 24

BAT

22

CVOUT

ITERM

4

IPRGM

3

RITERM

RIPRGM

LVIN

7

LVOUT

8

CLVIN

LDO

Supply

from

battery or

SVOUT

LFB

9

AGND

11

RL1

CLVOUT

RL2

LEN

13

SEN

18

DGND

12

Buck

Converter

Control Block

SFB

14

RS2

RS1

CSFG

CSFB

SLX

21

PGND

20

LS

SVOUT

CSVOUT

14

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