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BD71850MWV Dataheets PDF



Part Number BD71850MWV
Manufacturers ROHM
Logo ROHM
Description Programmable Power Management
Datasheet BD71850MWV DatasheetBD71850MWV Datasheet (PDF)

Datasheet Power Management Integrated Circuit BD71850MWV General Description  BD71850MWV is a programmable Power Management IC (PMIC) for powering single-core, dual-core, and quad-core SoC’s such as NXP-i.MX 8M Nano. It is optimized for low BOM cost and compact solution footprint. It integrates 6 Buck regulators and 6 LDO’s to provide all the power rails required by the SoC and the commonly used peripherals.  QFN package and pinout support low cost Type 3 (non-HDI) PCB. Programmable power s.

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Datasheet Power Management Integrated Circuit BD71850MWV General Description  BD71850MWV is a programmable Power Management IC (PMIC) for powering single-core, dual-core, and quad-core SoC’s such as NXP-i.MX 8M Nano. It is optimized for low BOM cost and compact solution footprint. It integrates 6 Buck regulators and 6 LDO’s to provide all the power rails required by the SoC and the commonly used peripherals.  QFN package and pinout support low cost Type 3 (non-HDI) PCB. Programmable power sequencing and output voltages, flexible power state control for easier system design and supports a wide variety of processors and system implementations. 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 Key Specifications  Input Voltage Range (VSYS):  SNVS State Current:  SUSPEND State Current:  IDLE State Current:  RUN State Current:  Operating Temperature Range: 2.7 V to 5.5 V 30 μA(Typ) 115 μA(Typ) 125 μA(Typ) 125 μA(Typ) -40°C to +85°C Applications  Streaming Media Boxes and Dongles  AV Receivers and Wireless Sound Bars  Industrial HMI, SBC, IPC and Panel Computer Package UQFN56BV7070 W(Typ) x D(Typ) x H(Max) 7.00 mm x 7.00 mm x 1.00 mm Product structure : Silicon integrated circuit. This product has no designed protection against radioactive rays www.rohm.com © 2019 ROHM Co., Ltd. All rights reserved. TSZ2211114001 1/116 TSZ02201-0Q2Q0A500680-1-2 27.Sep.2019 Rev.001 BD71850MWV Contents General Description ................................................................................................................................................................1 Features .................................................................................................................................................................................1 Key Specifications...................................................................................................................................................................1 Applications ............................................................................................................................................................................1 Package W(Typ) x D(Typ) x H(Max) ...........................................................................................................1 1. Introduction.....................................................................................................................................................................7 1.1. Terminology ............................................................................................................................................................7 1.2. System Power Map & Typical Application Circuit ......................................................................................................8 1.3. Pin Configuration .................................................................................................................................................. 10 1.4. Pin Description...................................................................................................................................................... 11 1.5. I/O Equivalence Circuit .......................................................................................................................................... 12 1.6. Power Rail ............................................................................................................................................................ 13 1.7. Register Map ............................................................................................


S-82F1B BD71850MWV 4N38A


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