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BQ24157 The Texas Instruments BQ24157 is a compact, high-efficiency, switch-mode battery charger IC for single-cell Li-ion and Li-polymer batteries. It supports USB compliance and USB-OTG functionality.
Mfr Part #:

BQ24157

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ24157 is a compact, high-efficiency, switch-mode battery charger IC for single-cell Li-ion and Li-polymer batteries. It supports USB compliance and USB-OTG functionality.
✓ Total Stock: 2,929 pcs
$ Price Range: $1.29

BQ24157 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,929 pcs
On Request
2929 pcs On Request 1 On Request On Request 18+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BQ24157 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Control Interface
Duty Cycle
Halogen Free
Industrial Grade
Maximum Input Voltage
Medical Grade
Military Grade
Operating Temperature Range
SVHC Present
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BQ24157 Description

Short technical summary and product information.

The BQ24157 from Texas Instruments is a fully integrated, switch-mode battery charger designed for single-cell Li-ion and Li-polymer battery packs in portable applications. It offers a maximum charge rate of 1.55A and features high-accuracy voltage and current regulation.

 

This IC supports programming of charge parameters via an I2C compatible interface, including input current limit, charge voltage, and termination current. It operates with a synchronous fixed-frequency PWM controller at 3 MHz and includes robust protection features such as reverse leakage protection and thermal regulation.

 

The BQ24157 is suitable for mobile phones, MP3 players, and other handheld devices. It supports USB-OTG boost mode operation with a 5.05V, 350mA output. The device is available in a compact 20-pin DSBGA package measuring 2.1 x 2.0 mm.

 

Key electrical specifications include a maximum input voltage rating of 20V and an operating input voltage range of 4V to 6.5V. The battery charge voltage can be set between 3.5V and 4.44V. The operating temperature range is from -40°C to 125°C.

BQ24157 Quick Information

Product Type: Battery Charger IC
Series: BQ24157
Canonical Name: BQ24157 Fully Integrated Switch-Mode One-Cell Li-Ion Charger
Subcategory: Power Management ICs

BQ24157 Compliance

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

BQ24157 Estimated Pricing

Qty Low High
1+ $1.29 $1.29

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

BQ24157 Features

  • Integrated power FETs up to 1.55A charge rate.
  • High-accuracy voltage and current regulation.
  • Programmable charge parameters via I2C interface.
  • USB OTG boost mode operation supported.
  • Wide operating temperature range: -40°C to 125°C.

BQ24157 Applications

  • Ideal for mobile and smart phones.
  • Suitable for MP3 players.
  • Used in handheld devices.
  • Supports USB-compliant charging.
  • Enables USB-OTG functionality.

BQ24157 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum charge current of the BQ24157?

The maximum charge current is 1.55 A.

What is the input voltage operating range for the BQ24157?

The recommended input voltage range is 4 V to 6.5 V. The absolute maximum input voltage is 20 V.

What is the operating temperature range of the BQ24157?

The operating temperature range is -40°C to 125°C.

What package is the BQ24157 available in?

The BQ24157 is available in a 20-pin DSBGA (WCSP) package measuring 2.1 mm × 2.0 mm.

What control interface does the BQ24157 use?

The BQ24157 uses an I2C control interface.

Does the BQ24157 support USB On-The-Go (OTG)?

Yes, the BQ24157 provides a USB OTG output of 5.05 V at up to 350 mA from a battery input of 3.2 V to 4.5 V.

What is the switching frequency of the BQ24157?

The switching frequency is 3 MHz.

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