Rohm Semiconductor BU1840AMUV-E2
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.88 | $10.88 |
| 15+ | $2.50 | $37.50 |
| 25+ | $2.45 | $61.25 |
| 50+ | $2.31 | $115.50 |
| 100+ | $2.04 | $204.00 |
| N+ | $0.41 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Rohm Semiconductor |
| Product Series | |
| Packaging | Tape & Reel (TR) | Cut Tape (CT) |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 ~ 4 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Voltage |
| Fault Protection | Over Current, Over Temperature, Over Voltage |
| Charge Current - Max | 400mA |
| Battery Pack Voltage | 5.7V (Max) |
| Voltage - Supply (Max) | 1.98V |
| Interface | I2C |
| Operating Temperature | -30°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad |
| Supplier Device Package | VQFN020V4040 |
| ROHS |  |
BU1840AMUV-E2 Multi-Chemistry Battery Charger IC
The BU1840AMUV-E2 from Rohm Semiconductor is a high-performance, multi-chemistry battery charger IC designed for industrial, automotive, and aerospace applications. This advanced power management IC delivers precision charging control for 1 to 4 cell battery configurations with programmable current and voltage regulation.
Key Features & Benefits
- Multi-Chemistry Support: Compatible with various battery chemistries for flexible system design
- Programmable Charging: Adjustable current and voltage parameters via I2C interface for optimized battery lifecycle
- Comprehensive Protection: Integrated over-current, over-temperature, and over-voltage safeguards ensure safe operation
- High Charge Current: Up to 400mA maximum charging current for efficient power delivery
- Compact Surface Mount Package: 24-VFQFN exposed pad design for superior thermal performance and space efficiency
- Wide Operating Temperature Range: -30°C to 85°C ambient temperature rating for demanding environments
Applications
Ideal for portable electronics, IoT devices, industrial sensors, medical equipment, and battery-powered embedded systems requiring reliable multi-cell charging solutions.
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BU1840AMUV-E2.pdf