BQ40Z60_16 Datasheet, PDF (20/47 Pages) Texas Instruments – Programmable Battery Management Unit

bq40z60
SLUSAW3C – DECEMBER 2014 – REVISED JULY 2015
9.2 Functional Block Diagram
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AFEFUSE
SYS PRES
ALERT
SRP
SRN
TS1
TS2
TS3
TS4
Cell
Balancing
Cell Detach
Detection
Cell, Stack,
Pack
Voltage
Fuse
Control
High
Voltage I/O
Wake
Comparator
Short Circuit
Comparator
Over
Current
Comparator
NTC Bias
Power Mode
Control
Power On
Reset
Watchdog
Timer
Voltage
Reference 2
Random
Number
Generator
Internal
Temp
Sensor
Voltage
Reference 1
ADC/CC
FRONTEND
ADC MUX
Low
Frequency
Oscillator
AFE Control
AFE COM
Engine
High Side
N-CH FET
Drive
Zero Volt
Charge
Control
AC FET High
Side N -CH
FET Drive
High Side
Current Sense/
Voltage
Feedback
High Side
N-CH FET
Drive
Low Side
N-CH FET
Drive
Regulated
Supply
1.8V LDO
Regulator
High
Voltage
Translation
ACFET
VCC
HSRP
HSRN
VFB
HIDRV
BTST
PH
LODRV
PGND
REGN
SMBD
SMBC
Low
Voltage I/O
In-Circuit
Emulator
ADC/CC
Digital Filter
High
Frequency
Oscillator
I/O
Timers &
PWM
I/O &
Interrupt
Controller
AFE COM
Engine
bqBMP
CPU
PMInstr
PMAddr
(8bit)
(16bit)
Program
Flash
EEPROM
Data Flash
EEPROM
Data (8bit)
DMAddr (16bit)
Data
SRAM
COM
Engine
20
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