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BQ7790508PWR The Texas Instruments BQ7790508PWR is an ultra-low-power, stackable battery protector IC designed for 3 to 5 series Lithium-Ion and Lithium-Phosphate battery packs. It offers comprehensive protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions.
Mfr Part #:

BQ7790508PWR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ7790508PWR is an ultra-low-power, stackable battery protector IC designed for 3 to 5 series Lithium-Ion and Lithium-Phosphate battery packs. It offers comprehensive protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions.
Total Stock: 8,790 pcs
$ Price Range: $0.59

BQ7790508PWR Available from 3 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request 20+ On Request On Request
Non-Authorised Inventory information
1,704 pcs
1704 pcs On Request 1 On Request On Request 21+ On Request On Request
Non-Authorised Inventory information
1,086 pcs
1086 pcs On Request 1 On Request On Request On Request On Request On Request

BQ7790508PWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Absolute Maximum Rating per Cell Input
Battery Chemistry
Current Protection Accuracy
Fault Protection
Function
Input Voltage
Mounting Type
Number Of Series Cells (Minimum/Maximum)
Number of Cells
Operating Current (Maximum @ shutdown mode)
Operating Current (Typical @ Normal Mode)
Operating Temperature
Overcurrent Protection Discharge 1 (Minimum/Maximum)
Overcurrent Protection Discharge 2 (Minimum/Maximum)
Overtemperature Protection (Charge)
Overtemperature Protection (Discharge)
Overvoltage Protection (Minimum/Maximum)
Overvoltage Protection (Nominal @ Specific Values)
Short Circuit Discharge Protection (Minimum/Maximum)
Supplier Device Package
Supplier Package
Undertemperature Protection (Discharge)
Undervoltage Protection (Minimum/Maximum)
Voltage Protection Accuracy

BQ7790508PWR Description

Short technical summary and product information.

The BQ7790508PWR from Texas Instruments is a versatile battery protector IC suitable for 3 to 5 series Lithium-Ion and Lithium-Phosphate battery applications. It operates with ultra-low power consumption, featuring a typical operating current of 6 µA in normal mode and a maximum of 0.5 µA in shutdown mode.

 

This IC provides a full suite of protection features, including overvoltage protection ranging from 3 V to 4.575 V, undervoltage protection from 1.2 V to 3 V, and overcurrent protection during discharge. It also includes overtemperature and short-circuit discharge protection. The voltage protection accuracy is within ±10 mV, and current protection accuracy is ±20% to ±30%.

 

The BQ7790508PWR is designed for scalability, supporting cell counts from 3 up to 20 series or more. It features independent charge (CHG) and discharge (DSG) FET drivers and has a 36-V absolute maximum rating per cell input. The device operates within a temperature range of -40°C to 85°C.

 

Packaged in a 20-TSSOP, this surface-mount component is ideal for applications requiring robust battery management and safety. Its functional safety-capable design aids in developing reliable battery systems.

BQ7790508PWR Quick Information

Product Type: Battery Protector IC
Series: BQ77905
Canonical Name: BQ7790508PWR Stackable Battery Protector
Subcategory: Battery Protectors

BQ7790508PWR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ7790508PWR Estimated Pricing

Qty Low High
1+ $0.59 $0.59

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ7790508PWR Features

  • Ultra-low power stackable battery protector.
  • Protects 3-5 series Li-ion and Li-phosphate cells.
  • Comprehensive voltage, current, and temperature protection.
  • Scalable for up to 20 series cells.
  • Functional safety-capable design.

BQ7790508PWR Applications

  • Ideal for multi-cell battery packs.
  • Suitable for portable power tools.
  • Used in electric mobility devices.
  • Applicable in energy storage systems.
  • Enhances safety in battery applications.

BQ7790508PWR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the BQ7790508PWR?

The operating temperature range is -40°C to 85°C.

What package is the BQ7790508PWR available in?

It is available in a 20-TSSOP (0.173", 4.40mm Width) surface mount package.

What is the typical operating current of the BQ7790508PWR?

The typical operating current is 6 µA in normal mode.

What is the maximum input voltage for the BQ7790508PWR?

The maximum input voltage is 25 V.

How many series cells can the BQ7790508PWR protect?

It can protect 3 to 5 series Li-Ion cells directly, and scalable to 20 series or more with external components.

What overvoltage protection thresholds are available on the BQ7790508PWR?

The overvoltage protection thresholds are 3.7 V, 3.9 V, 4.175 V, 4.2 V, and 4.25 V.

What is the voltage protection accuracy of the BQ7790508PWR?

The voltage protection accuracy is ±10 mV.

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