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BQ40Z50-R1 Datasheet(PDF) 22 Page - Texas Instruments

Part # BQ40Z50-R1
Description  bq40z50-R1 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  56 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

BQ40Z50-R1 Datasheet(HTML) 22 Page - Texas Instruments

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 22 / 56 page
background image
DMAddr (16bit)
Cell
Balancing
Over
Current
Comparator
Short Circuit
Comparator
Power On
Reset
Voltage
Reference2
Watchdog
Timer
Zero Volt
Charge
Control
Wake
Comparator
Internal
Temp
Sensor
Random
Number
Generator
AFE Control
ADC MUX
Cell Detach
Detection
High
Frequency
Oscillator
SBS COM
Engine
AFE COM
Engine
I/O &
Interrupt
Controller
Data Flash
EEPROM
ADC/CC
Digital Filter
Program
Flash
EEPROM
bqBMP
CPU
Timers &
PWM
PMAddr
(16bit)
PMInstr
(8bit)
Cell, Stack,
Pack
Voltage
Voltage
Reference1
SMBC
SMBD
LEDCNTLA
LEDCNTLB
LEDCNTLC
/DISP
/PRES or /SHUTDN
BTP_INT
FUSE
PTCEN
SRP
High Side
N-CH FET
Drive
P-CH
FET Drive
FUSE
Control
High
Voltage
I/O
LED Display
Drive I/O
Power Mode
Control
SBS High
Voltage
Translation
Low
Frequency
Oscillator
ADC/CC
FRONTEND
1.8V LDO
Regulator
TS1
TS2
TS3
TS4
Low Voltage
I/O
PTC
Overtemp
PTC
SRN
AFE COM
Engine
Data
SRAM
Data (8bit)
I /O
NTC Bias
bq40z50-R1
SLUSCB3 – JULY 2015
www.ti.com
8 Detailed Description
8.1 Overview
The bq40z50-R1 device, incorporating patented Impedance Track™ technology, provides cell balancing while
charging or at rest. This fully integrated, single-chip, pack-based solution provides a rich array of features for gas
gauging, protection, and authentication for 1-series, 2-series, 3-series, and 4-series cell Li-Ion and Li-Polymer
battery packs, including a diagnostic lifetime data monitor and black box recorder.
8.2 Functional Block Diagram
22
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: bq40z50-R1



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