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BQ20Z70PWR 数据手册 - TI(德州仪器)
制造商:
TI(德州仪器)
分类:
电池管理芯片
封装:
TSSOP-20
描述:
SBS 1.1标准的电量监测计启用了阻抗TRACK⑩科技为使用的bq29330 SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK⑩ TECHNOLOGY FOR USE WITH THE bq29330
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BQ20Z70PWR数据手册
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SYSTEMPARTITIONINGDIAGRAM
ChargePumps
Overcurrent &
ShortCircuit
Protection
Cell Selection Multiplexer
N-CH FET
Drive
Impedance
Track™ Gas
Gauging
Cell Balancing Drive
2
nd
Level Voltage Protection
Pack -
SMBus
Pack +
LDO
& Therm. Drive
& Reset
Therm
Fuse
Temperature
Measurement
& Protection
32kHzClock
Generator
System
Interface
VoltageLevel
Translator
Watchdog &
Protection
Timing
System
Interface
SHA-1
Authentication
Charging
Algorithm
SBSv1.1
Data
Cell & Pack
Voltage
Measurement
Overrcurrent
Protection
Overvoltage &
Undervoltage
Protection
CellBalancing
Algorithm &
Control
FailSafe
Protection
bq29330
Validation &
Control
bq20z70 bq29330 bq294xy
SupplyVoltage
32KHz
I
2
C
Registers
Alert
RSNS
5mΩ – 20mΩ typ.
Reset
1XALERT
2TS2
3TS1
4CLKOUT
5
6PFIN
7SAFE
8SMBD
9NC
10SMBC
VCELL-20
VCELL+19
VCC18
VSS17
MRST
16
SRN15
SRP14
VSS13
SCLK12
SDATA11
PRES
bq20z70
SLUS686B–NOVEMBER2005–REVISEDJULY2007
TSSOP(PW)
(TOPVIEW)
2
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