| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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1,013 pcs
|
1013 pcs | On Request | 1 | On Request | On Request | 12+ | On Request | On Request |
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| Manufacturer Name | |
| Battery Chemistry | |
| Battery Pack Voltage | |
| Charge Current | |
| Current | |
| Efficiency | |
| Fault Protection | |
| Frequency | |
| Input Voltage | |
| Interface | |
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| Supplier Device Package | |
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| Voltage |
The BQ24745RHDT from Texas Instruments is a high-efficiency, synchronous, SMBus-controlled battery charger IC. It is designed for multi-chemistry battery charging applications, supporting 2, 3, or 4 series Li+ cells.
Key electrical specifications include an input voltage range of 7V to 24V, a maximum charge current of 8.064A, and high accuracy for voltage and current regulation. The device boasts over 95% efficiency and operates at a 300kHz switching frequency. It features a 30ns minimum driver dead-time and a 99.5% maximum effective duty cycle.
This charger integrates an input-current comparator and offers dynamic power management. It supports various battery chemistries including Li+, NiCd, NiMH, and Lead Acid. The device is housed in a compact 28-pin, 5x5mm QFN package, making it suitable for space-constrained designs.
Applications include notebook computers, ultra-mobile computers, portable data-capture terminals, portable printers, medical diagnostics equipment, battery bay chargers, and battery back-up systems.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is from 7V to 24V, with an absolute maximum rating of 30V.
The maximum charge current is 10A, with a programmable DAC range of 128mA to 8.064A.
It supports 2 to 4 series Li-Ion cells.
The operating junction temperature range is -40°C to +125°C.
It uses I2C and SMBus interfaces.
The package is a 28-VFQFN exposed pad (5x5mm), surface mount.
Efficiency is greater than 95% at 300kHz switching frequency.