Richtek USA Inc. RT9490WSC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 24.28 | Dhs. 24.28 |
| 15+ | Dhs. 23.52 | Dhs. 352.80 |
| 25+ | Dhs. 23.00 | Dhs. 575.00 |
| 50+ | Dhs. 21.73 | Dhs. 1,086.50 |
| 100+ | Dhs. 19.17 | Dhs. 1,917.00 |
| N+ | Dhs. 3.83 | Price Inquiry |
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RT9490WSC - Advanced Battery Management IC
The RT9490WSC from Richtek USA Inc. is a high-performance battery management integrated circuit designed for demanding lithium-ion and lithium-polymer battery charging applications. This versatile IC supports 1 to 4 cell configurations and delivers up to 5A of programmable constant charging current, making it ideal for power-hungry portable devices, power tools, and industrial equipment.
Key Features & Benefits
- High Current Capability: Supports up to 5A charging current for fast and efficient battery charging
- Flexible Cell Configuration: Compatible with 1-4 cell Li-Ion/Polymer battery packs up to 18.8V
- Intelligent Control: I2C interface enables precise programming of current, voltage, and timer settings
- Comprehensive Protection: Built-in safeguards against overcurrent, over/under voltage, over temperature, and short circuit conditions
- Wide Operating Range: Functions reliably from -40°C to 85°C with supply voltage up to 24V
- Compact Design: 56-WLCSP surface mount package (2.93x3.46mm) saves valuable PCB space
Applications
The RT9490WSC is perfectly suited for a wide range of battery-powered applications including portable medical devices, industrial handheld equipment, power banks, electric tools, and multi-cell battery pack systems requiring reliable and efficient charging solutions.
Quality & Compliance
This product is RoHS compliant, ensuring it meets international environmental standards. Available in both Cut Tape (CT) and Tape & Reel (TR) packaging options to accommodate various production requirements.
Related Products & Resources
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| Product attributes | Property Value |
| Manufacturer | Richtek USA Inc. |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 ~ 4 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Temperature, Over-Under Voltage, Short Circuit |
| Charge Current - Max | 5A |
| Battery Pack Voltage | 18.8V (Max) |
| Voltage - Supply (Max) | 24V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 56-UFBGA, WLCSP |
| Supplier Device Package | 56-WLCSP (2.93x3.46) |
| ROHS |  |
RT9490WSC.pdf