My Inquiry
My Account
ROHM Semiconductor BD71847AMWV-E2
- Part No.:
- BD71847AMWV-E2
- Manufacturer:
- ROHM Semiconductor
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
BD71847AMWV-E2.pdf
- Description:
- IC REG
- Quantity:
- Payment:
- Shipping:
Inventory:24,466
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BD71847AMWV-E2 from ROHM Semiconductor is a system power management IC optimized for NXP i.MX 8M Mini family application processors. The device integrates the power rails and control functions required by the processor, DDR memory, and system peripherals, reducing development time and simplifying compact embedded design.
As a highly integrated PMIC, BD71847AMWV-E2 includes six buck converters, six LDO regulators, a power mux switch, 32.768 kHz crystal oscillator driver, power sequencing, I2C control, interrupt/reset signaling, and multiple protection circuits. For engineers reviewing the BD71847AMWV-E2 datasheet, BD71847AMWV-E2 pinout, BD71847AMWV-E2 application, or BD71847AMWV-E2 equivalent, this device is suitable for i.MX 8M Mini and related processor-module power architectures.
Technical Context
In i.MX 8M Mini processor systems, BD71847AMWV-E2 typically operates as the main PMIC that supplies processor core, DDR memory, I/O, peripheral, and always-on rails. Its integrated sequencer is compatible with processor power modes, helping simplify startup, shutdown, and low-power transitions.
The PMIC supports six buck regulators, six LDO channels, 1.8 V / 3.3 V power switching for SDXC cards, a 32.768 kHz crystal oscillator driver, and hardware signaling with the SoC. I2C communication supports configuration and monitoring at standard, fast, and high-speed modes.
BD71847AMWV-E2 is commonly used in smart speakers, smart displays, networked audio devices, industrial control boards, embedded Linux modules, multimedia gateways, IoT edge systems, and compact processor-based platforms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | System PMIC optimized for NXP i.MX 8M Mini family processors and system peripherals. |
| Buck Regulators | Six integrated buck converters supply processor, memory, and system rails. |
| LDO Regulators | Six integrated LDO regulators support auxiliary, I/O, and low-noise rails. |
| Power Sequencing | OTP-configurable sequencing supports i.MX 8M Mini power-mode requirements. |
| Control Interface | I2C interface supports 100 kHz, 400 kHz, and 1 MHz communication. |
| Additional Functions | Includes power mux switch, 32.768 kHz crystal oscillator driver, reset, interrupt, and watchdog-related signaling. |
| Protection Functions | Supports soft start, power-rail fault detection, UVLO, OVP, output short protection, and thermal shutdown. |
| Package | UQFN56BV7070 package with 7 mm x 7 mm body size and 1 mm thickness. |
| Operating Temperature | -40°C to +105°C operating temperature range. |
Pinout & Package
The BD71847AMWV-E2 pinout is optimized for i.MX 8M Mini power-tree integration and includes multiple buck outputs, LDO outputs, I2C control, interrupt and reset signals, power-state control pins, SDXC power switching, crystal oscillator pins, and ground/thermal connections.
For PCB design, buck regulators require compact high-current loops, proper inductor and capacitor placement, solid grounding, and careful separation of switching nodes from I2C, reset, oscillator, and processor-control signals. ROHM platform-design guidance should be followed for i.MX 8M Mini reference layouts.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| BUCK Outputs | Switching regulator outputs supplying processor core, memory, and system rails. |
| LDO Outputs | Linear regulator outputs used for auxiliary, I/O, and low-noise supply requirements. |
| SCL / SDA | I2C control interface for PMIC configuration, monitoring, and system management. |
| PWRON_B | Power button detector input supporting system power-on control. |
| PMIC_STBY_REQ / PMIC_ON_REQ | Hardware signaling pins used with the SoC for power-state transitions. |
| POR_B / RTC_RESET_B | Reset outputs supporting processor and RTC-domain supervision. |
| IRQ_B | Interrupt output used to report PMIC events and fault conditions to the SoC. |
| XTAL Pins | 32.768 kHz crystal oscillator driver pins supporting RTC and low-power timing functions. |
Key Features
- System PMIC optimized for NXP i.MX 8M Mini processor family.
- Six buck regulators and six LDO regulators integrated in one device.
- OTP-configurable power sequencing supports processor power modes.
- I2C interface supports standard, fast, and 1 MHz communication.
- Built-in 1.8 V / 3.3 V power switch for SDXC cards.
- 32.768 kHz crystal oscillator driver supports RTC and low-power functions.
- Protection and monitoring functions include UVLO, OVP, thermal shutdown, and power-rail fault detection.
Applications
| i.MX 8M Mini Processor Modules | Smart Displays and Audio Devices |
|---|---|
|
Use Scenario: Used in SOMs, embedded Linux boards, and multimedia processor platforms. IC Role: Supplies all required processor, DDR, and peripheral power rails. Use Value: Reduces design time and improves compatibility with NXP processor power modes. |
Use Scenario: Used in smart displays, smart speakers, networked audio, and multimedia edge products. IC Role: Provides compact multi-rail power for processor and system peripherals. Use Value: Supports smaller product design and efficient power management. |
| Industrial Embedded Systems | IoT and Connected Devices |
|---|---|
|
Use Scenario: Used in industrial control boards, gateways, HMI modules, and edge computing devices. IC Role: Manages processor power sequencing and low-power state transitions. Use Value: Improves platform reliability and simplifies complex power-tree design. |
Use Scenario: Used in connected embedded platforms requiring processor, memory, and peripheral rails. IC Role: Combines buck, LDO, oscillator, reset, and control functions in one PMIC. Use Value: Helps reduce PCB area and shorten design validation cycles. |
Equivalent & Alternatives
When evaluating a BD71847AMWV-E2 equivalent, engineers should compare regulator topology, output-current capability, package footprint, thermal behavior, sequencing functions, control interface, and long-term sourcing requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BD71837MWV | ROHM PMIC optimized for other NXP i.MX 8M Quad and Dual processor platforms. | Used when the target processor family requires a different power-tree profile. | Choose BD71847AMWV-E2 for i.MX 8M Mini family compatibility. |
| BD71850MWV | Related ROHM PMIC for NXP i.MX 8M Nano power-management applications. | Used in processor modules based on i.MX 8M Nano power requirements. | Select based on the exact NXP processor, reference design, rail requirements, and PCB compatibility. |
Compared with BD71837MWV, BD71847AMWV-E2 is optimized for NXP i.MX 8M Mini family power requirements and processor power-mode sequencing. BD71847AMWV-E2 vs BD71850MWV selection depends on the exact i.MX processor family, DDR and peripheral rail requirements, PCB reference design, OTP configuration, and software power-management support.
Quality
BD71847AMWV-E2 should be sourced as original ROHM Semiconductor components through traceable and controlled supply channels. Quality verification procedures may include package inspection, top-mark validation, solderability testing, moisture-sensitivity handling review, electrical rail verification, and power-sequencing validation on the target processor board.
Because the device controls a complex application-processor power tree, production validation should include startup and shutdown sequencing, low-power mode transitions, I2C communication, interrupt/reset behavior, buck and LDO load regulation, thermal performance, and fault-response testing. Traceable sourcing supports industrial manufacturing quality and helps reduce counterfeit supply-chain risk.
Availability
BD71847AMWV-E2 available at Aetrix Electronics and is suitable for i.MX 8M Mini processor modules, embedded Linux systems, smart display platforms, industrial gateways, and connected multimedia devices requiring stable component availability and repeatable production support.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term availability support for OEM, industrial electronics manufacturers, embedded module suppliers, and processor-board production programs.
For production builds, confirming processor compatibility, OTP configuration, package type, reference schematic alignment, lead time, lifecycle status, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.
Manufacturer
ROHM Semiconductor is a global semiconductor manufacturer specializing in power management, analog ICs, discrete semiconductors, sensors, optoelectronics, and embedded system solutions for automotive, industrial, consumer, and communication applications.
For processor power systems, ROHM provides PMICs, DC-DC converters, LDO regulators, supervisors, and reference design support optimized for compact embedded platforms and NXP i.MX application processors.
FAQ
What is BD71847AMWV-E2 used for?
BD71847AMWV-E2 is used for system power management in NXP i.MX 8M Mini processor platforms, embedded Linux modules, smart displays, smart speakers, industrial gateways, and connected multimedia devices.
Where can I find the BD71847AMWV-E2 datasheet download?
The BD71847AMWV-E2 datasheet download is available from ROHM Semiconductor and includes regulator functions, power sequencing, package details, electrical characteristics, and application guidance.
How many regulators does BD71847AMWV-E2 integrate?
BD71847AMWV-E2 integrates six buck regulators and six LDO regulators, along with additional power-control and protection functions.
What should be considered in BD71847AMWV-E2 pinout design?
Pinout design should follow ROHM platform-design guidance, with careful buck layout, capacitor placement, grounding, I2C routing, reset/interrupt routing, oscillator layout, and processor power-sequencing connections.
What are common BD71847AMWV-E2 equivalent solutions?
Common related solutions include BD71837MWV and BD71850MWV, selected according to the target NXP i.MX processor family and power-tree requirements.
BD71847AMWV-E2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- ROHM Semiconductor
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- UQFN56BV7070
BD71847AMWV-E2 FAQ
1.How can I place an order for BD71847AMWV-E2 through Aetrix?
Please submit a Request for Quotation (RFQ) for BD71847AMWV-E2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BD71847AMWV-E2 reliable?
The price and inventory of BD71847AMWV-E2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BD71847AMWV-E2 is usually 5 days.
3.What payment methods are accepted for BD71847AMWV-E2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BD71847AMWV-E2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BD71847AMWV-E2?
BD71847AMWV-E2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BD71847AMWV-E2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BD71847AMWV-E2?
For technical support, including BD71847AMWV-E2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BD71847AMWV-E2 requirements.
6.How does Aetrix verify that BD71847AMWV-E2 is sourced from the original manufacturer or authorized distributors?
All BD71847AMWV-E2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BD71847AMWV-E2 meets industry standards.
7.What is the process for return or replacement of BD71847AMWV-E2?
All BD71847AMWV-E2 units undergo pre-shipment inspection (PSI). If there is an issue with BD71847AMWV-E2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BD71847AMWV-E2 part is unused and in its original packaging.
Return procedure for BD71847AMWV-E2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BD71847AMWV-E2 Tags
-
TPS6521905RHBR
Texas Instruments
-
MIC3385YHL-TR
Microchip Technology
-
A4402ELPTR-T
Allegro MicroSystems
-
LM26480SQ-AA/NOPB
Texas Instruments
-
A4402KLPTR-T
Allegro MicroSystems
-
BD71847AMWV-E2
ROHM Semiconductor
-
ADP5040ACPZ-1-R7
Analog Devices Inc.
-
LT3048IDC#TRPBF
Analog Devices Inc.
-
ADP5037ACPZ-R7
Analog Devices Inc.
-
XRP7714ILB-F
MaxLinear, Inc.
-
LTC3260EDE#TRPBF
Analog Devices Inc.
-
LTC3260EMSE#PBF
Analog Devices Inc.
Tech Hub
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
Machine vision system guide covering components, inspection workflow, camera and lens selection, FOV, pixel resolution, motion blur, strobe lighting, bandwidth, 2D/3D vision, integration, troubleshooti…
Electronic devices and circuits guide covering passive components, semiconductors, analog and digital circuits, circuit theory, practical calculations, troubleshooting, datasheet selection, and learnin…
Oil pressure sensor diagnosis covering symptoms, location, testing, replacement, socket access, common failure cases, and the electronic signal path between the pressure sensor, wiring, ECU and gauge s…
MLCC ESR, impedance and self-resonant frequency in decoupling networks. Covers PDN behavior, frequency response, measurement methods, failure cases and practical capacitor selection for power integrity…
An actuator converts a control signal and energy source into mechanical motion. This guide explains actuator types, working principles, electric and linear actuators, automotive use cases, troubleshoot…
A potentiometer is a three-terminal adjustable resistor used for voltage division, analog control, calibration and signal adjustment. This guide explains wiring, symbols, types, 10k values, digital pot…
An FPGA is reconfigurable digital hardware used for custom logic, parallel processing, low-latency I/O and interface control. This guide explains FPGA meaning, architecture, boards, programming flow, a…
A logic gate is a basic digital circuit that uses Boolean logic to convert binary inputs into one output. This guide explains AND, OR, NOT, NAND, NOR, XOR, truth tables, universal gates, logic ICs and …
A mass air flow sensor, often called a MAF sensor, measures the amount of air entering an engine.
