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BQ78350DBT-R1

In Stock: 7,849

Battery Battery Monitor IC Multi-Chemistry 30-TSSOP

Manufacturers:
Texas Instruments, Inc
Mfr.Part#:
BQ78350DBT-R1
Datasheet:
BQ78350DBT-R1 Datasheet (PDF)
Package/Case:
TSSOP30
Product Type:
Power Management ICs
RoHS:
Lifecycle:
NRND
EDA/CAD Models:
Request Free CAD Models for BQ78350DBT-R1

BQ78350DBT-R1 Information

Description

The Texas Instruments BQ78350DBT-R1 is a dual-channel battery management IC designed for lithium-ion batteries in electric vehicles, energy storage systems, and industrial applications. It features impedance track fuel gauge for accurate state-of-charge measurement, integrated cell voltage monitoring, and supports up to 15-series cell configuration. The device also includes high accuracy current sensing, overvoltage and undervoltage detection, and integrated temperature sensing. Additionally, it provides charge and discharge FET control and communication interfaces via HDQ and SMBus protocols. This IC is suitable for battery management systems that require accurate monitoring, protection, and control of lithium-ion battery packs.

Features

According to the product information, the BQ78350DBT-R1 features:

Impedance track fuel gauge for lithium-ion batteries
Integrated cell voltage measurement
Supports up to 15-series cell configuration
High accuracy current sensing
Overvoltage and undervoltage detection
Integrated temperature sensing
Supports charge and discharge FET control
Communication interfaces: HDQ, SMBus

These features make it suitable for battery management systems in electric vehicles, energy storage systems, and industrial applications.

Package

The package type of BQ78350DBT-R1 is a TSSOP (Thin-Shrink Small Outline Package) with 30 pins, specifically designed for small and low-profile devices.

Pinout

The BQ78350DBT-R1 has a 36-pin TSSOP package. The pin functions include:

HDQ/SMBus interface for communication
Cell voltage measurement
Current sensing
Temperature sensing
FET control for charging and discharging
Overvoltage and undervoltage detection
Impedance track fuel gauge for lithium-ion batteries

Please note that the detailed pinout information is not provided in your initial product description.

Manufacturer

The manufacturer of the BQ78350DBT-R1 is Texas Instruments (TI).

Applications

According to the product information, the application areas of BQ78350DBT-R1 are:

Electric vehicles
Energy storage systems
Industrial applications

It is primarily used in battery management systems for lithium-ion battery packs, offering accurate monitoring, protection, and control features.

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Battery Management	Function	Battery Monitor
Battery Chemistry	Multi-Chemistry	Number of Cells	3 ~ 15
Fault Protection	Over Current, Over Temperature, Over/Under Voltage	Interface	SMBus
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Surface Mount
Base Product Number	BQ78350	Package/Case	TSSOP30

BQ78350DBT-R1 FAQs

1.Q: Is the BQ78350DBT-R1 RoHS compliant?

A: Yes, it is RoHS compliant and contains SVHC (Substances of Very High Concern).

2.Q: What battery types does the BQ78350DBT-R1 support?

A: It supports LiFePO4, Li-Ion, and Li-Polymer batteries.

3.Q: What package does the BQ78350DBT-R1 use?

A: It comes in a 30-pin TSSOP (DBT0030A) package with gull-wing leads and dimensions of 4.5mm (max width) × 7.9mm (max length).

4.Q: Is the Texas Instruments BQ78350DBT-R1 automotive-qualified?

A: No, it is not automotive-grade (Automotive: "No", PPAP: "No").

5.Q: What is the operating temperature range of the BQ78350DBT-R1?

A: It operates from -40°C to +85°C, making it suitable for industrial environments.

6.Q: What is the absolute maximum supply voltage for the BQ78350DBT-R1?

A: The absolute maximum supply voltage is 2.6V. Exceeding this may damage the device.

7.Q: What is the typical application circuit for the BQ78350DBT-R1?

A: The IC is typically used in battery management systems (BMS) with a host microcontroller, current-sense resistor, and protection FETs. Refer to the datasheet for a detailed schematic.

8.Q: What are the key features of the Texas Instruments BQ78350DBT-R1?

A: The BQ78350DBT-R1 is a Li-Ion/Polymer battery fuel gauge with integrated charge control. Key features include a 2.4V–2.6V supply range, TSSOP-30 package, RoHS compliance, and support for LiFePO4/Li-Ion/Li-Pol chemistries.

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Ratings and Reviews

J

J**n
02/09/2024

6

Everything works. Packed in puffy
B

B**n
02/23/2023

7

M/c branded. I will write extra after replacement. I advise the seller.
A

A**n
06/08/2021

2

Got it in the mailbox. Packaging can be said no itTried the qc trigger to change the level-works!!!!

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