BD71815AGW-E2

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BD71815AGW-E2

IC REG 13OUT BUCK/LDO 55UCSP

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Topology Step-Down (Buck) Synchronous (5), Linear (LDO) (8)
NumberofOutputs 13
Frequency-Switching 6MHz
Voltage/Current-Output1 Programmable, 1A
Voltage/Current-Output2 Programmable, 800mA
Voltage/Current-Output3 Programmable, 500mA
w/LEDDriver Yes
w/Supervisor No
w/Sequencer Yes
Voltage-Supply 2.9V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 55-UFBGA, WLCSP

Overview

Description

BD71815AGW-E2 is a multi-rail PMIC (power management IC) used to generate multiple digital rails (CPU, memory, etc.) from a single supply in compact devices. It combines several DC-DC buck regulators with system-support logic and monitoring.
Key points:
- Control: typically via I2C, with programmable outputs and sequencing.
- Features: multiple buck regulators, fault/monitoring (OC, OV, UV, thermal), power-good/status signals, and dynamic voltage scaling support.
- Packaging/variant: The E2 suffix denotes a specific package/variant; check the datasheet for exact pinout and environmental specs.
- Applications: laptops, tablets, embedded boards, and other electronics requiring multiple regulated rails from one PMIC.
- Advantage: reduces board space, simplifies power sequencing, and enables efficient performance/power management.
For precise electrical specs (voltages, current capabilities, number of rails, timing, and packaging), consult the official datasheet.

Features

BD71815AGW-E2 is a multi‑phase buck regulator controller for CPU/GPU VRMs. Key features:
- Up to 4-phase operation with current sharing and phase shedding
- Drives external high‑side/low‑side MOSFETs (synchronous) for full power stage
- Programmable output voltage with feedback and optional digital control via I2C/SMBus
- Wide input voltage range suitable for core rails; high efficiency across load
- Fast transient response with programmable switching frequency and spread spectrum options
- Robust protection: overcurrent/short‑circuit (with latch/hiccup), overvoltage, undervoltage (UVLO), and overtemperature
- Fault/diagnostic reporting and status flags; safe start‑up sequencing and voltage tracking
- Features for VRM control such as voltage droop, phase balancing, and dynamic voltage scaling
- Low quiescent current and compact package options (GW/E2 variants)
Note: exact pinout, voltage ranges, and mode specifics are in the datasheet; refer to it for precise values and configuration.

Package

QFN package with exposed pad (RoHS-compliant).

Pinout

- Pin count: 48-pin (QFN-48) package
- Function: Multi-phase buck regulator controller (CPU/VRM PMIC) that drives external MOSFETs to regulate CPU core voltage, including regulation control and protections.

Manufacturer

- Manufacturer: ROHM Semiconductor (ROHM Co., Ltd.)
- What kind of company: A Japanese multinational semiconductor company that designs and manufactures integrated circuits, power-management ICs, LEDs, and other electronic components for automotive, industrial, and consumer markets.

Application

BD71815AGW-E2 is a multi-rail VRM/PMIC intended for high-performance platforms. Common applications: laptops/ultrabooks (CPU/GPU rails), desktop/motherboard power delivery, embedded systems and single-board computers, and telecom/industrial equipment needing multiple regulated rails with high efficiency and protection features.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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