BD71850MWV-E2 Power Management ICs - PMIC by Rohm

System PMIC for NXP-i.MX 8M Nano


BD71850MWV integrates all power rails required by i.MX 8M Nano processors and system peripherals. In addition to integrate a sequencer compatible with power modes supported by i.MX 8M Nano processors, making it possible to significantly reduce the development time, decrease size, and simplify application design. The power supply circuit of the BD71850MWV, designed specifically for the power supply system of the i.MX 8M Nano 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 Nano applications.

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Prices starting from US$1.98

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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%.
Output Current & Voltage. BUCK1: 3.0 A, 0.7 V to 1.3 V/10 mV step, DVS BUCK2: 3.0 A, 0.7 V to 1.3 V/10 mV step, DVS BUCK5: 3.0 A, 0.70 V to 1.35 V/8steps, DVS BUCK6: 3.0 A, 2.6 V to 3.3 V/100 mV step BUCK7: 1.5 A, 1.605 V to 1.995 V/8steps BUCK8: 3.0 A, 0.8 V to 1.4 V/10 mV step
6ch Linear Regulators (6 LDOs)
LDO1: 10 mA, 3.0 V to 3.3 V, 1.6 V to 1.9 V
LDO2: 10 mA, 0.9 V, 0.8 V
LDO3: 300 mA, 1.8 V to 3.3 V
LDO4: 250 mA, 0.9 V to 1.8 V
LDO5: 300 mA, 0.8 V to 3.3 V
LDO6: 300 mA, 0.9 V to 1.8 V
Power Mux Switch
1.8V Input: 500 mΩ(Max)
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)

Last 6 months Inventory & Pricing History


Resources







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Manufacturing Data
Factory Information

Alternative Descriptions

Power Management Ic, -40 To 85Deg C | Newark Electronics
PMIC SW REG i.MX 8M Nano UQFN | Rutronik
BD71850 Series 5.5 V 3 A Power Management Integrated Circuit - UQFN56BV7070 | Future Electronics
POWER MANAGEMENT IC, -40 TO 85DEG C | element14
UQFN56BV/Power Management Integrated Circuit | Avnet Silica


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BD71850MWV-E2?

Additional datasheets, footprints and schematics for BD71850MWV-E2 are listed on our Part Details page. You can also find images and similar parts to BD71850MWV-E2 on this page.

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What category does BD71850MWV-E2 fall under?

The BD71850MWV-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 BD71850MWV-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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Submit any questions directly to the customer support team of the distributor listing the product. For the BD71850MWV-E2 you can contact the distributor directly for product support, shipping queries etc.

Is the BD71850MWV-E2 RoHS compliant?

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

Which authorised distributors for BD71850MWV-E2 have stock available?

Authorised distributors including CoreStaff, Newark Electronics, Rutronik, Future Electronics and element14 have stock available or on a lead time for BD71850MWV-E2.

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