BQ34Z653 Datasheet, PDF (3/25 Pages) Texas Instruments – SBS 1.1-Compliant Gas Gauge and Protection Enabled with Impedance Track with External Battery Heater Control and LCD Display

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SPACER
TYPICAL APPLICATION
PACK+
HEATER
bq34z653
SLUSB53 – JULY 2012
DISP
LED Display
SMBD
SMBC
SMB 1.1
Data Flash
Memory
JEITA and
Enhanced
Charging
Algorithm
SHA-1
Authentication
Fuse Blow
Detection & Logic
Oscillator
System Control
Over
Temperature
Protection
Temperature
Measurement
Over & Under
Voltage
Protection
Over Current
Protection
PreCharge FET
& GPOD Drive
N Channel FET
Drive
Power Mode
Control
Voltage
Measurement
Impedance
Track™ Gas
Gauging
Coulomb
Counter
AFE HW Control
HW Over
Current & Short
Circuit Protection
Watchdog
Cell Voltage
Multiplexer
Cell Balancing
Regulators
RBI
MSRT
RESET
ALERT
VCELL+
VC1
VC2
VC3
VC4
VC5
REG33
REG25
+
VC1
VC2
+
VC3
+
VC4
VDD
OUT
CD
GND
+
bq294xx
PACK–
RSNS
5 mΩ – 20 mΩ typ
Figure 1. System Partitioning Diagram
Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): bq34z653
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