BU1840AMUV-E2
IC BATT CHARGE MGMT 24VQFNManufacturer: Rohm Semiconductor
Categories: Battery Chargers
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The Rohm Semiconductor BU1840AMUV-E2 is a highly integrated battery charge management IC. Designed for multi-chemistry battery applications, this device supports cell configurations from 1 to 4 and offers a maximum charge current of 400mA. It features constant current and voltage charging with programmability for key parameters. Protection mechanisms include over current, over temperature, and over voltage fault detection. Communication is facilitated via an I2C interface, allowing for flexible system integration. The BU1840AMUV-E2 is housed in a 24-VFQFN exposed pad package (VQFN020V4040), suitable for surface mounting. Its operating temperature range is -30°C to 85°C. This component is widely utilized in consumer electronics, portable devices, and IoT applications requiring efficient and reliable power management.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 24-VFQFN Exposed Pad |
| Number of Cells | 1 ~ 4 |
| Mounting Type | Surface Mount |
| Interface | I2C |
| Operating Temperature | -30°C ~ 85°C (TA) |
| Battery Chemistry | Multi-Chemistry |
| Supplier Device Package | VQFN020V4040 |
| Charge Current - Max | 400mA |
| Programmable Features | Current, Voltage |
| Fault Protection | Over Current, Over Temperature, Over Voltage |
| Voltage - Supply (Max) | 1.98V |
| Battery Pack Voltage | 5.7V (Max) |
| Current - Charging | Constant - Programmable |
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