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Product Detailed Parameters
- Description：BD71850MWV INTEGRATES ALL POWER
- 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：2.7V ~ 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 BD71850MWV-E2 is a programmable power management IC designed for NXP i.MX 8M Nano processors. It integrates six buck regulators and six LDOs within a UQFN56BV7070 package. Input voltage ranges from 2.7 V to 5.5 V with a maximum static current of 15 uA. Switching frequencies are set at 2 MHz for most buck channels and 1.5 MHz for BUCK6. The device operates between -40°C and +105°C, featuring soft start, UVLO, OVP, and TSD protections.
Feature Summary
- Integrates six high-efficiency buck converters and six linear regulators for comprehensive power rail generation.
- Includes dedicated hardware features such as a 32.768 kHz crystal oscillator driver and power button detector.
- Supports dynamic voltage scaling (DVS) on specific buck outputs for optimized processor performance.
- Provides integrated protection mechanisms including output short-circuit, over-voltage, and thermal shutdown.
Applications
- NXP i.MX 8M Nano application processor systems
- Streaming media boxes and dongles
- Portable consumer electronics requiring compact power solutions
Procurement Notes
Verify the complete part number including the suffix E2 to ensure RoHS compliance and lead-free status. Confirm the UQFN56BV7070 package dimensions against your PCB footprint library. Check humidity sensitivity levels if storage conditions exceed manufacturer recommendations. Ensure I2C address configurations match your system design requirements before integration.
Selection Notes
Select this component when designing around the NXP i.MX 8M Nano processor family. It replaces multiple discrete components, reducing board space by approximately 42 percent compared to traditional designs. Consider its wide input voltage range for flexibility in battery or USB-powered applications. Evaluate the specific current requirements of each rail against the integrated buck and LDO capabilities.
Part Context
This PMIC belongs to ROHM's specialized processor power management series, tailored for i.MX applications. It consolidates power conversion, sequencing, and monitoring functions into a single chip. The design aims to simplify PCB layout and accelerate development cycles for embedded computing platforms.
Replacement Considerations
The BD71847AMWV-E2 serves as a compatible alternative for i.MX 8M Mini applications. Verify pin compatibility and software register mapping differences before substitution. Both devices share similar packaging but target different processor variants within the i.MX 8 family.
