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BD71815AGW-E2

Name: BD71815AGW-E2
Rating: 4.7 (12 reviews)

IC REG 13OUT BUCK/LDO 55UCSP

제조업체
Mfr.부분 #BD71815AGW-E2
패키지 UCSP55M4C-80
데이터시트 BD71815AGW-E2 DataSheet
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사양

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

개요

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.