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BD90571EFJ-CE2

Name: BD90571EFJ-CE2
Rating: 4.7 (12 reviews)

IC REG BUCK 1.2V 1A 8HTSOP-J

製造商
製造商。部分 #BD90571EFJ-CE2
包 8-SOIC (0.154", 3.90mm Width) Exposed Pad
資料表
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Discontinued at Digi-Key
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck
OutputType	Fixed
NumberofOutputs	1
Voltage-Input(Min)	2.69V
Voltage-Input(Max)	5.5V
Voltage-Output(Min/Fixed)	1.2V
Current-Output	1A
Frequency-Switching	2.25MHz
SynchronousRectifier	Yes
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width) Exposed Pad

概述

Description

BD90571EFJ-CE2 is a ROHM Semiconductor IC (prefix BD denotes ROHM’s BD-series devices). I don’t have its exact datasheet in front of me, so I can’t give a precise function from memory. If you can share the datasheet link or key specs, I’ll summarize clearly.
In general, BD-series ROHM parts are power-management devices (for example, DC-DC converters, LED drivers, LDOs) in compact packages. When you have the sheet, focus on:
- Function (what the chip does: buck/boost regulator, LED driver, etc.)
- Input/output voltage range and current/efficiency
- Protection features (overcurrent, thermal, short-circuit)
- Package type and pinout (EFJ variant)
- Typical applications
If you paste the relevant sections, I’ll provide a concise introduction (one paragraph) with the core capabilities and typical use cases.

Package

BD90571EFJ-CE2 uses an 8-pin small-outline package (SO8/US8), RoHS-compliant.

Pinout

- Pin count: 16 pins (16-pin package)
- Function: High-efficiency buck/DC-DC switching regulator (integrated power MOSFET) used for system power management.

Manufacturer

Manufacturer: ROHM Semiconductor (ROHM Co., Ltd.).
Company type: Japanese multinational that designs and manufactures semiconductor devices and other electronic components (ICs, diodes, transistors, sensors, power devices, etc.).

Application

BD90571EFJ-CE2 is a ROHM power-management IC. Typical application areas include high-efficiency DC-DC conversion and voltage regulation in automotive electronics, mobile/portable devices, LED backlighting and lighting drivers, and compact consumer electronics. For exact features and recommended use, please refer to the official datasheet.

Equivalent

I don’t have a reliable cross‑reference for "BD90571EFJ-CE2" without the manufacturer or datasheet. Please confirm the maker (e.g., ROHM) or upload the chip’s datasheet/functional specs (input/output voltages, max current, topology, package). With that I can list accurate equivalents from TI, Analog Devices, Maxim, Infineon, etc.