BD71847AMWV-E2 Power Management ICs - PMIC by Rohm

System PMIC for i.MX 8M Mini Family


BD71847AMWV integrates all power rails required by i.MX 8M Mini processors and system peripherals. In addition to integrate a sequencer compatible with power modes supported by i.MX 8M Mini processors, making it possible to significantly reduce the development time, decrease size, and simplify application design. The power supply circuit of the BD71847AMWV, designed specifically for the power supply system of the i.MX 8M Mini processor family, integrates an 6 buck converters, 6 LDOs, and control logic that allows it to supply power not only to the processor, but the required DDR memory as well – all from a single chip. A 1.8V/3.3V power switch for SDXC cards is also built in, along with a 32.768kHz crystal oscillator driver and multiple protection circuits such as output short-circuit, output over-voltage/current, and thermal shutdown. Buck conversion efficiency from 83 to 95% is achieved for 0.7V to 3.3V output, and the wide input voltage range from 2.7V to 5.5V supports a variety of power sources, from batteries to USB, making them ideal for i.MX 8M Mini applications. Furthermore, when single-sided mounting and Type-3 PCB is assumed, 42 fewer parts are needed compared with discrete solutions, reducing PCB area by up to 42%.

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Prices starting from US$1.72

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Features

6 Buck Regulators
2.0 MHz Switching Frequency. (BUCK1, BUCK2, BUCK5, BUCK7, and BUCK8).
1.5MHz Switching Frequency. (BUCK6)
Target Efficiency: 83% to 95%.
6ch Linear Regulators (6 LDOs)
Power Mux Switch
1.8V/3.3V Input: 500 mΩ(Max)
32.768 kHz Crystal Oscillator Driver
Power Button Detector
Protection and Monitoring: Soft Start, Power Rails Fault Detection, UVLO, OVP and TSD
OTP Configurable Power Sequencing
OTP and Software Programmable Output Voltage, Ramp rates.
Hardware Signaling with SoC for Transition into or out of Low Power States
Interfaces:
I2C: 100 kHz/400 kHz, 1 MHz
Power-on Reset Output: POR_B, RTC_RESET_B,
Watchdog Reset Input: WDOG_B:
Power State Control: PMIC_STBY_REQ, PMIC_ON_REQ, PWRON_B
Interrupt to SoC: IRQ_B
Type3 PCB Applicable

Specifications

Channel(DCDC)[ch] 6
SW frequency(Max.)[MHz] 2
Channel(LDO)[ch] 6
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 105
Package Size [mm] 7x7 (t=1)

Resources







Package Information
Package Information

Manufacturing Data
Factory Information

Alternative Descriptions

Step Down Converter with LDO Regulator 12-OUT 56-Pin UQFN Emboss T/R | Avnet America
POWER MANAGEMENT IC, UQFN-56 | element14
BD71847 Series 5.5 V 147 â•¡A Surface Mount Power Management Integrated Circuit | Future Electronics
Power Management Ic, -40 To 85Deg C | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BD71847AMWV-E2?

Additional datasheets, footprints and schematics for BD71847AMWV-E2 are listed on our Part Details page. You can also find images and similar parts to BD71847AMWV-E2 on this page.

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What category does BD71847AMWV-E2 fall under?

The BD71847AMWV-E2 is listed under Semiconductors - ICs > Power Management ICs - PMIC > Multi Function Power Management ICs.

Can I view similar or alternative parts?

You can view similar parts to BD71847AMWV-E2 when available in the Multi Function Power Management ICs range under the specifications section at the bottom of the details page.

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Is the BD71847AMWV-E2 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.

Which authorised distributors for BD71847AMWV-E2 have stock available?

Authorised distributors including Avnet America, Avnet Asia, element14, Farnell and Future Electronics have stock available or on a lead time for BD71847AMWV-E2.

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