Datasheet > BD9P255MUF-C

BD9P255MUF-C

更新时间： 2024-11-05 11:10:39

品牌	Logo	应用领域
罗姆 - ROHM		电池仪表雷达传感器转换器
页数	文件大小	规格书
60页	2793K
描述
BD9P系列是兼顾高速响应和高效率的42V耐压车载一次DC/DC转换器IC。其特点是通过Nano Pulse Control™实现的稳定且较大的降压比、通过扩频功能实现的低EMI（低噪声）、在电池刚启动时也能稳定供电的高速响应性能，有助于降低系统功耗和降低BOM成本。包括ADAS的传感器、摄像头、雷达，以及车载信息娱乐、仪表盘、 BCM（车身控制模块）在内，适用于汽车中要求小型化、高效率化、高可靠性的应用。a.productlink{color: #dc2039; text-decoration: underline !important;}a.productlink:hover {opacity: 0.6;}

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BD9P255MUF-C 数据手册

Nano Pulse Control^TM

Datasheet

3.5 V to 40 V Input, 2 A

Single 2.2 MHz Buck DC/DC Converter

For Automotive

BD9P2x5MUF-C Series

General Description

Key Specifications

BD9P2x5MUF-C Series are current mode synchronous

buck DC/DC converter integrating POWER MOSFETs.

◼ Input Voltage Range:

3.5 V to 40 V

(Initial startup is 4.0 V or more)

◼ Output Voltage Range

BD9P205MUF-C:

BD9P235MUF-C:

BD9P255MUF-C:

◼ Output Current:

Features

0.8 V to 8.5 V

3.3 V (Typ)

5.0 V (Typ)

◼

Nano Pulse Control^TM

AEC-Q100 Qualified^{(Note 1)}

Minimum ON Pulse 50 ns (Max)

Synchronous Buck DC/DC Converter Integrating

POWER MOSFETs

OCP_SEL = H

OCP_SEL = L

1.5 A (Max)

2.0 A (Max)

◼

Soft Start Function

Current Mode Control

Reset Function

Quiescent Current 10 μA (Typ)

with 12 V Input to 5.0 V Output

Light Load Mode (LLM)

Forced Pulse Wide Modulation (PWM) Mode

Phase Compensation Included

Selectable Spread Spectrum Switching

External Synchronization Function

Selectable Over Current Protection (OCP)

Input Under Voltage Lockout (UVLO) Protection

Thermal Shutdown (TSD) Protection

Output Over Voltage Protection (OVP)

Short Circuit Protection (SCP)

◼ Switching Frequency:

◼ Output Voltage Accuracy:

±1.75 % (-40 °C to +125 °C)

◼ Shutdown Current:

◼ Operating Temperature Range: -40 °C to +125 °C

2.2 MHz (Typ)

2.1 μA (Typ)

◼

Package

VQFN20FV4040

W (Typ) x D (Typ) x H (Max)

4.0 mm x 4.0 mm x 1.0 mm

Enlarged View

(Note 1) Grade 1

Applications

◼

Automotive Powered Supplies

Consumer Powered Supplies

VQFN20FV4040

Wettable Flank Package

Typical Application Circuit

C_BST

V_IN

VIN

BST

V_OUT

L₁

PVIN

VCC_EX

C_IN

VOUT_DIS

VOUT_SNS

PGND

VREG

OCP_SEL

C_OUT

R_RST

RESET

MODE

SSCG

C_REG

V_MODE

V_SSCG

GND

Figure 1. Application Circuit with Discharge Function (BD9P235MUF-C, BD9P255MUF-C)

Nano Pulse Control^TMis a trademark or a registered trademark of ROHM Co., Ltd.

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays

.www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0J1J0AL01510-1-2

1/57

04.Oct.2022 Rev.002

12 3 4 5 6 7...60

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与BD9P255MUF-C相关器件

型号	品牌	获取价格	描述	数据表
BD9P256EFV-C	ROHM	获取价格	BD9P2x6EFV-C Series are current mode synchronous buck DC/DC converter integrating POWER MO
BD9P305EFV-C	ROHM	获取价格	BD9P305EFV-C是内置功率MOSFET的电流模式同步整流式降压DC-DC转换器。非
BD9P308MUF-C	ROHM	获取价格	BD9P308MUF-C是内置功率MOSFET的电流模式同步整流式降压DC-DC转换器。非
BD9P608MFF-C (新产品)	ROHM	获取价格	BD9P608MFF-C is current mode synchronous buck DC/DC converter integrating POWER MOSFETs.
BD9S000NUX-C	ROHM	获取价格	BD9S000NUX-C是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转换器
BD9S012NUX-C	ROHM	获取价格	BD9S012NUX-C是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转换器
BD9S100NUX-C	ROHM	获取价格	BD9S100NUX-C是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转换器
BD9S109NUX-C (新产品)	ROHM	获取价格	BD9S109NUX-C是一款内置低导通电阻功率MOSFET的同步整流降压型DC-DC转换
BD9S110NUX-C	ROHM	获取价格	BD9S110NUX-C系列是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转
BD9S111NUX-C	ROHM	获取价格	BD9S111NUX-C系列是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转

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