|
BQ78350-R1 Datasheet, PDF (1/32 Pages) Texas Instruments – Battery Management Controller Companion | |||
|
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq78350-R1
SLUSCD0 â AUGUST 2015
bq78350-R1 CEDV Li-Ion Gas Gauge and Battery Management Controller Companion to
the bq769x0 Battery Monitoring AFE
1 Features
⢠Compensated End-of-Discharge Voltage (CEDV)
Gauging Algorithm
⢠Supports SMBus Host Communication
⢠Flexible Configuration for 3- to 5-Series
(bq76920), 6- to 10-Series (bq76930), and 9- to
15-Series (bq76940) Li-Ion and LiFePO4 Batteries
⢠Supports Battery Configurations up to 320 Ahr
⢠Supports Charge and Discharge Current
Reporting up to 320 A
⢠On-Chip Temperature Sensor Option
⢠External NTC Thermistor Support from
Companion AFE
⢠Full Array of Programmable Protection Features
â Voltage
â Current
â Temperature
â System Components
⢠Lifetime Data Logging
⢠Supports CC-CV Charging, Including Precharge,
Charge Inhibit, and Charge Suspend
⢠Offers an Optional Resistor Programmable
SMBus Slave Address for up to Eight Different
Bus Addresses
⢠Drives up to a 5-Segment LED or LCD Display for
1
State-Of-Charge Indication
⢠Provides SHA-1 Authentication
2 Applications
⢠Light Electric Vehicles (LEVs): eBikes, eScooters,
Pedelec, and Pedal-Assist Bicycles
⢠Power and Gardening Tools
⢠Battery Backup and Uninterruptible Power Supply
(UPS) Systems
⢠Wireless Base Station Backup Systems
⢠Telecom Power Systems
3 Description
The Texas Instruments bq78350-R1 Li-Ion and
LiFePO4 Battery Management Controller and
companion to the bq769x0 family of Analog Front
End (AFE) protection devices provides a
comprehensive set of Battery Management System
(BMS) subsystems, helping to accelerate product
development for faster time-to-market.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
bq78350-R1
TSSOP (30)
7.80 mm x 6.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Simplified Schematic
bq76920
VC 5
VC 4
VC 3
VC 2
VC 1
VC 0
SRP
SRN
ALERT
BAT
REGSRC
REGOUT
CAP 1
TS 1
SCL
SDA
VSS
CHG
DSG
PUSH-BUTTON
FOR BOOT
PACK+
VCC
MRST
BAT
VAUX
KEYIN
PRES
RBI
SAFE
VSS
SCL
SDA
ALERT
PRECHG
GPIOA
GPIOB
LED 1
LED2
LED3
LED4
LED5
PWRM
DISP
COM
VEN
SMBC
SMBD
SMBA
ADREN
SMBC
SMBD
PACKâ
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
|
▷ |