L99H92

Evaluation
Design Win

H-Bridge Gate Driver for Automotive Applications

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Product overview

Description

The L99H92 is designed to drive 4 external N-channel MOS transistors, in single H-bridge or dual independent half-bridge configuration, for DC-motor control in automotive applications. Two free configurable current sense amplifiers are integrated. The device has a low power mode (standby mode) where the current consumption is less than 5 µA.
Programmable gate driving current allows minimizing EMI. Each gate driver monitors independently its external MOSFET drain-source voltage for fault conditions.
Programmable crosscurrent protection time avoids concurrency of high-side and low-side activation for each half-bridge.
Two off-state diagnostic comparators detect potential short to ground, short to battery or open load conditions.
The integrated standard serial peripheral interface (SPI) controls the device and provides diagnostic information. An additional DIAGN output pin alerts the microcontrollers of a fault occurred into the device faster than the SPI communication.
The L99H92 device implements diagnostic and protection features such as supply voltage monitoring, charge pump voltage monitoring, overcurrent protection, temperature warning and over-temperature shutdown.
The device is hosted in either a TQFP32 or QFN32 package, both with the exposed pad. QFN32 has wettable flanks for easy visual inspection of the solder joint.
  • All features

    • AEC-Q100 qualified
    • RoHs compliant device
    • Power supply operating range from 4.51 V to 28 V (gate drivers operative from 5.41 V)
    • 3.3/5 V compatible I/Os
    • All pins linked to the microcontroller, fail-safe input and VDD are made tolerant to battery exposure
    • Dual half-bridge driver compatible with standard level threshold MOSFETs
    • Configurable full-bridge or dual independent half-bridges control
      • Programmable recirculation path in case of full-bridge control
    • Dual stage charge pump supporting 100% PWM duty cycle down to 5.41 V battery voltage
      • High-side and low-side minimum VGS = 6.2 V at VDH = 5.5 V and charge pump load current (ICPLOAD) equal to 5 mA
      • High-side and low-side minimum VGS = 8.2 V at VDH > = 8 V and charge pump load current (ICPLOAD) equal to 10 mA
    • Charge pump output available for driving an external reverse battery MOSFET protection
    • Programmable gate driving current (up to 170 mA) for output voltage slew rate control
    • Programmable drain-source monitoring for overcurrent protection and programmable crosscurrent protection time (dead-time)
    • Open load and output short-circuit detection in off-state diagnostic mode
    • SPI for control and diagnosis (ST SPI 4.1)
    • Programmable diagnostic output
    • Two independent current sense amplifiers
      • Low offset with extremely low thermal drift
      • Suitable for high-side, in-line, and low-side current sensing
      • Independently programmable gain (10x, 20x, 50x, 100x)
      • Analog output centered at VDD/2 or VDD/22
    • Over temperature prewarning and shutdown
    • Analog and digital power supply inputs over/under voltage protections
    • Asynchronous and logic independent fail-safe input to switch off all the MOSFETs
    • Low quiescent current

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L99H92

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L99H92Q5-TR
Evaluation
QFN-32L WF Automotive Ecopack2
L99H92QF-TR
Evaluation
TQFP 32 7x7x1.0 Automotive Ecopack2

L99H92Q5-TR

Package:

QFN-32L WF

Material Declaration**:

PDF XML

Marketing Status

Evaluation

Package

QFN-32L WF

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L99H92QF-TR

Package:

TQFP 32 7x7x1.0

Material Declaration**:

PDF XML

Marketing Status

Evaluation

Package

TQFP 32 7x7x1.0

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Part Number
Order from distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L99H92QF-TR No availability of distributors reported, please contact our sales office
Evaluation
EAR99 NEC Tape and Reel TQFP 32 7x7x1.0 - - MALAYSIA
L99H92Q5-TR No availability of distributors reported, please contact our sales office
Evaluation
EAR99 NEC Tape and Reel QFN-32L WF - - PHILIPPINES

L99H92QF-TR Evaluation

Package:
TQFP 32 7x7x1.0
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L99H92QF-TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

MALAYSIA

No availability of distributors reported, please contact our sales office

L99H92Q5-TR Evaluation

Package:
QFN-32L WF
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L99H92Q5-TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

PHILIPPINES

No availability of distributors reported, please contact our sales office
Swipe or click the button to explore more details Don't show this again

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors