Richtek USA Inc. RT9458WSC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.79 | $3.79 |
| 15+ | $3.67 | $55.05 |
| 25+ | $3.59 | $89.75 |
| 50+ | $3.39 | $169.50 |
| 100+ | $2.99 | $299.00 |
| N+ | $0.60 | Price Inquiry |
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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 |
| Current - Charging | Constant |
| Programmable Features | - |
| Fault Protection | Over Temperature, Over Voltage |
| Charge Current - Max | 1.55A |
| Battery Pack Voltage | 4.44V (Max) |
| Voltage - Supply (Max) | 6V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-UFBGA, WLCSP |
| Supplier Device Package | 20-WLCSP (1.87x2.1) |
| ROHS |  |
The Richtek RT9458WSC is a switch-mode battery charger IC for single-cell Lithium Ion/Polymer batteries. It delivers a charge current up to 1.55A and supports a maximum battery voltage of 4.44V. Featuring an I2C interface for flexible control, it also includes over temperature and over voltage protection. The device is available in a 20-UFBGA package and operates over a -40°C to 85°C ambient temperature range.
- Fast Charging: Up to 1.55A charge current reduces charging time.
- I2C Flexibility: Digital interface allows dynamic adjustment of charge settings.
- Wide Temperature Range: -40°C to 85°C supports diverse applications.
- Robust Protection: Over Temperature and Over Voltage safeguards ensure safe operation.
High-Capacity Smartphones
The 1.55A charge current and I2C control make it suitable for fast charging of modern single-cell Li-Ion batteries.
Tablets and E-Readers
Its 4.44V max voltage supports high-voltage cells used in larger portable devices.
Portable Power Tools
With a -40°C to 85°C range, it can handle the thermal demands of compact cordless tools.
Digital Cameras
I2C programmability allows optimization for different battery capacities in photography equipment.
Wearable Electronics
The 20-UFBGA package is ideal for slim wearables requiring precise I2C-controlled charging.
- Q: What battery chemistry does the RT9458WSC support?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 1.55A.
- Q: What is the battery pack voltage?
- A: The maximum battery voltage is 4.44V.
- Q: What interface does it use?
- A: It uses an I2C interface.
- Q: What fault protection is included?
- A: It includes Over Temperature and Over Voltage protection.
RT9458WSC.pdf
- Q: What battery chemistry does the RT9458WSC support?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 1.55A.
- Q: What is the battery pack voltage?
- A: The maximum battery voltage is 4.44V.
- Q: What interface does it use?
- A: It uses an I2C interface.
- Q: What fault protection is included?
- A: It includes Over Temperature and Over Voltage protection.
