DIA58243SQL14 datasheet(1/8 Pages) DIOO

部件名	DIA58243SQL14

功能描述	Automotive Integrated H-Bridge Driver with SPI

PDF	8 Pages

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制造商	DIOO [DIOO MICROCIRCUITS CO., LTD]

网页	https://www.dioo.com/#/

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DIA58243

Brief, Nov 2025

www.dioo.com

I

Automotive Integrated H-Bridge Driver with SPI



Features



AEC-Q100 qualified

−

Device ambient temperature:

-40°C ≤ TA ≤ 125°C

−

Device junction temperature:

-40°C ≤ TJ ≤ 150°C



4.5 V to 35 V (40 V abs. max) operating range



Maximum output current : 12 A



RDS(ON): 84 mΩ (typ) per half bridge



Supports 3.3 V, 5 V logic inputs



PWM operation up to 25 kHz



Very low sleep current, 5.8 μA (max) at 125°C



Optimized EMI performance

−

Spread spectrum clocking (SPI only)

−

Configurable slew rate



Integrated shunt-less current sense



Configurable current regulation



Complete protection and diagnostic with

configurable fault reaction (latched or retry)

−

Overcurrent protection

−

Overtemperature protection

−

Off-state short & open diagnostics

−

On-state short & open diagnostics (SPI

only)

−

VM overvoltage detection

−

VM undervoltage detection

−

Configurable dead time



Configurable as H-Bridge or two independent

half bridges

−

Single H-Bridge using PWM or PH/EN

mode

−

Two half-bridges using Independent mode



Supports both SPI and HW options



Package Information



Applications



Automotive brushed DC motors and solenoids



Zone control unit (ZCU)



Hidden door handles



Side mirror modules



Electric spoiler adjustment



Door lock, child lock, tail gate lock



E-Shifter



Description

The DIA58243 is a full bridge motor driver intended

for a wide range of automotive applications. The

H-bridge consists of four N-channel power

MOSFETs and a charge pump regulator which

improves efficiency by supporting N-channel

MOSFETs with 100% duty cycle driving.

An internal current mirror architecture on the IPROPI

pin implements current sensing and regulation. This

eliminates the need for a low-ohm shunt resistor,

saving board area and reducing system cost.

The DIA58243 integrates complete diagnostics and

protections, including the monitoring of the supply

voltage, overtemperature shutdown, overcurrent

protection and load diagnostics in both the off-state

and on-state to detect open load, and short circuit.

Fault conditions are indicated on the nFAULT pin.

The SPI interface allows more flexible device

configuration and fault observability.



Simplified Schematic

Part Number

Package

Body Size

DIA58243

QFN3*4.5-14 3.0 mm × 4.5 mm

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