| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
4,203 pcs
|
4203 pcs | On Request | 1 | On Request | On Request | 2018 | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Battery Chemistry | |
| Battery Pack Voltage | |
| Conflict Minerals | |
| Fault Protection | |
| Interface | |
| Mounting Type | |
| Number of Cells | |
| Operating Temperature | |
| Programmable Features | |
| SVHC Present | |
| Supplier Device Package | |
| Voltage |
The Texas Instruments BQ24721RHBR is an advanced, high-efficiency synchronous switch-mode charger designed for portable applications. It supports multi-chemistry and multi-cell battery configurations, specifically 3-cell and 4-cell Li-Ion packs, with a maximum battery pack voltage of 19.2V.
This IC operates with a system voltage of up to 24V and features a user-selectable switching frequency of 300 kHz or 500 kHz. Key electrical specifications include 0.4% charge voltage regulation accuracy and 3% charge current regulation accuracy. It also offers 3% adapter current regulation accuracy and 2% accuracy for its integrated charge and AC adapter current amplifier.
The BQ24721RHBR communicates via an SBS-like SMBus interface, allowing for control and status monitoring. It includes programmable features for current and provides fault protection against overcurrent conditions. The device is housed in a 32-VQFN (5x5mm) package with exposed pad, suitable for surface mounting.
Applications for this charger IC include portable notebook computers, portable DVD players, webpads, and PC tablets. Its design integrates features like soft-start, overcurrent protection, and IC temperature monitoring for enhanced system reliability.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The BQ24721RHBR operates at 24V.
It supports 3 to 4 cells.
The BQ24721RHBR is designed for multi-chemistry batteries.
The maximum battery pack voltage is 19.2V.
It uses an I²C interface.
The operating temperature range is -40°C to 85°C (TA).
It is available in a 32-VQFN (5x5mm) package.