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Product Detailed Parameters
- Description：IC REG
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Topology：Step-Down (Buck) (6), Linear (LDO) (6)
- Number of Outputs：12
- Frequency - Switching：2MHz
- Voltage/Current - Output 1：0.7V ~ 1.3V, 3A
- Voltage/Current - Output 2：0.7V ~ 1.3V, 3A
- Voltage/Current - Output 3：0.7V ~ 1.35V, 3A
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：Yes
- Voltage - Supply：2.75V ~ 5.5V
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：56-VFQFN Exposed Pad
- Supplier Device Package：UQFN56BV7070
- Grade：-
- Qualification：-
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Overview
The BD71847AMWV-E2 is a programmable Power Management IC (PMIC) designed for NXP i.MX 8M Mini processors. It integrates six Buck DC/DC converters and six LDOs within a UQFN56BV7070 package. Input voltage ranges from 2.7 V to 5.5 V, supporting Li-ion batteries or USB sources. Output voltages span 700 mV to 3.3 V with up to 3 A current capability on primary rails. Switching frequencies reach 2 MHz. Operating temperature extends from -40°C to +105°C.
Feature Summary
- Integrates six Buck converters and six LDOs for comprehensive power rail generation
- Includes built-in ON/OFF sequencer optimized for i.MX 8M Mini processor requirements
- Features integrated SDXC card switches and 32.768 kHz crystal oscillator driver
- Provides multiple protection mechanisms including short circuit, overvoltage, and thermal shutdown
Applications
- Streaming media boxes and dongles
- Smart speakers with voice command capabilities
- IoT devices utilizing NXP i.MX 8M Mini application processors
Procurement Notes
Verify the specific suffix E2 against the latest ROHM datasheet to confirm RoHS compliance and lead-free status. Ensure the UQFN56BV7070 package dimensions match your PCB footprint design constraints. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly to prevent package damage during manufacturing processes.
Selection Notes
Select this component when designing systems based on the NXP i.MX 8M Mini family. It replaces discrete power solutions, reducing component count by approximately 42 units compared to equivalent discrete designs. The integrated sequencer simplifies board layout and significantly reduces development time for complex multi-rail power architectures requiring precise timing control.
Part Context
This PMIC belongs to ROHM's specialized processor power management series, specifically engineered for NXP Semiconductors' i.MX 8M Mini application processors. It consolidates control logic, power conversion, and system protection into a single chip. This integration supports high-efficiency power delivery while minimizing the physical footprint required for embedded computing applications in consumer electronics.
Replacement Considerations
BD71847AMWV is the standard version of this component. BD71850MWV serves as an alternative for i.MX 8M Nano family applications but features different pin configurations and output specifications. Verify compatibility before substitution.
