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See Technical Specifications

BD9781HFP-TR +BOM

Voltage Range of 7.0V to 35V with 4A Output Current

Manufacturer:

ROHM Semiconductor
Mfr.Part #:

BD9781HFP-TR
Datasheet:

BD9781HFP-TR Datasheet (PDF)
Function:

Step-Down
Output Configuration:

Positive
Topology:

Buck
Output Type:

Adjustable
EDA/CAD Models:

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BD9781HFP-TR General Description

The BD9781HFP-TR from ROHM Semiconductor is a top-of-the-line dual channel power management IC specifically designed for demanding automotive applications. With its compact HZIP-25 package, this IC packs a punch with two synchronous buck DC/DC converters that can handle a wide input voltage range of 3.5V to 40V. Each channel is capable of delivering up to 2A of output current, making it a versatile solution for powering various automotive systems such as infotainment systems, ADAS, and powertrain ECUs

Key Features

Wide input voltage range : 7V to 35V
Standby mode supply current : 0uA (Typ.)
Output voltage setting enabled with external resistor : 1V to Vin
Oscillation frequency variable with external resistor : 50 to 500kHz
Built-in P-ch POWER MOSFET
External synchronization enabled

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators	Series	-
Function	Step-Down	Output Configuration	Positive
Topology	Buck	Output Type	Adjustable
Number of Outputs	1	Voltage - Input (Min)	7V
Voltage - Input (Max)	35V	Voltage - Output (Min/Fixed)	1V
Voltage - Output (Max)	35V	Current - Output	4A
Frequency - Switching	50kHz ~ 500kHz	Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TA)	Mounting Type	Surface Mount
Base Product Number	BD9781