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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Motor Drivers, Controllers

STMicroelectronics L99H02XPTR

Name: L99H02XPTR
Brand: STMicroelectronics
SKU: L99H02XPTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: L99H02XPTR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

Package:: -

Datasheet:: L99H02XPTR.pdf

Description:: DOOR ACTUATOR DRIVER

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Product details

Overview

L99H02XPTR from STMicroelectronics is an AEC-Q100 qualified H-bridge gate driver IC for automotive DC motor control, operating from 6 V to 28 V supply, integrating dual high-side/low-side gate drivers (GH1/GL1/GH2/GL2), SPI interface, and configurable current sense amplifier with zero-adjust trimming. It drives four external N-channel MOSFETs in full H-bridge configuration for bidirectional motor control in safety-critical systems.

For engineers reviewing the L99H02XPTR datasheet, L99H02XPTR pinout, L99H02XPTR application, or L99H02XPTR equivalent, key selection considerations include its 30 kHz PWM capability, central 2-stage charge pump enabling 100% duty cycle down to 6 V, thermal sensor interface (TS/ACT_OFF), and integrated cross-current protection - all validated for wiper, seat positioning, and park brake subsystems.

Technical Context

The L99H02XPTR implements a dual half-bridge architecture with independent gate drive outputs (GH1/GL1/SH1/SL1 and GH2/GL2/SH2/SL2) supporting programmable freewheeling modes and resistive low-state operation. Its central 2-stage charge pump delivers regulated high-side gate voltage up to VS + 5 V, sustaining full R_DS(on) conduction for standard-threshold MOSFETs even at 6 V supply.

SPI-controlled diagnostics include drain-source monitoring, overvoltage/undervoltage detection on VS and VCC, thermal warning via external MOSFET sensors, and configurable current sense amplifier (CSA) with multiplexed inputs (CSI1±/CSI2±) and VCC-compatible output (CSO). The TS/ACT_OFF pin supports either thermal shutdown signaling or forced sink-mode shutdown of all drivers.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	6 V to 28 V VS input - enables direct battery connection with reverse polarity protection required externally.
PWM Frequency Max	30 kHz - supports high-resolution motor speed control without audible noise in cabin applications.
Charge Pump Output	VS + 5 V typical - sustains high-side gate drive for standard-level N-MOSFETs across full input range.
Current Sense Gain	Programmable 20×/40×/80× - allows precise motor current measurement with <1% gain error over temperature.
Diagnostic Coverage	Integrated short-circuit, overtemperature, undervoltage, and cross-current detection - reduces need for external monitoring circuitry.
SPI Interface	8-bit command/data frame, CSN-active-low, tristate DO - enables real-time status readback and register configuration in safety-critical firmware.
Thermal Protection	External thermal sensor interface (TS/ACT_OFF) with programmable warning threshold - supports coordinated shutdown with MOSFET die temperature.

Pinout & Package

Package: PowerSSO-36 - thermally enhanced exposed-pad surface-mount package optimized for automotive motor drive thermal dissipation (R_thj-amb = 28 °C/W with 400 mm² copper pour).

Pin/Terminal	Circuit Role	Design Meaning
GND / GNDD	Power and digital ground reference	Separate analog/digital grounds reduce noise coupling into CSA and SPI paths.
VCC / VCCD	Analog and logic supply (3.3 V/5 V)	Dual-supply architecture isolates sensitive analog sensing from digital switching noise.
EN, DIR, PWM, CSN, CLK, DI, DO	Digital control and SPI interface	Pull-up/pull-down internal biasing eliminates need for external resistors on critical control lines.
GH1/GL1/GH2/GL2	High-side and low-side gate drivers	Independent outputs per half-bridge enable asymmetric drive timing and programmable freewheeling.
SH1/SL1/SH2/SL2	Half-bridge source/drain connections	Direct access to MOSFET source nodes enables accurate current sensing and fault detection.
CSI1± / CSI2± / CSO	Configurable current sense inputs and output	Multiplexed differential inputs support dual-shunt or single-shunt configurations with VCC-rail output compatibility.
TS/ACT_OFF	Thermal sensor interface or global shutdown input	Configurable via SPI bit EXT_TS - enables either thermal feedback or emergency off signal from external controller.
CP, CP1±, CP2±	Charge pump output and capacitor connections	Two-stage pump design uses external ceramic capacitors (CP1±, CP2±) to generate stable high-side gate voltage.
VS	Main power supply input (6–28 V)	Requires external reverse-battery NMOS protection; internal charge pump draws from this rail.

Key Features

Feature	Design Value
Central 2-stage charge pump	Enables 100% duty cycle operation with standard-level N-MOSFETs down to 6 V VS, eliminating need for external bootstrap diodes/capacitors.
Programmable cross-current protection	Configurable time window (t_CCP) prevents shoot-through during direction reversal - critical for seat belt tensioner actuation safety.
Free-configurable current sense amplifier	Gain selection (20×/40×/80×) and zero-adjust trimming support end-of-line calibration for ±1% current measurement accuracy.
SPI-based diagnostics and control	Real-time readback of global status byte, individual fault flags (e.g., DS_MON, thermal warning), and register-based configuration of all protection thresholds.
Thermal sensor interface with dual mode	TS/ACT_OFF pin operates as either active-low shutdown input or analog interface for external MOSFET thermal sensors - simplifies system-level thermal management.

Applications

Wiper Motor Control

Power Seat Positioning

Use Scenario: Continuous variable-speed windshield wiper with rain-sensing feedback and stall detection.

IC Role / Device Role / Timing Role: H-bridge gate driver controlling bidirectional 12 V DC motor; SPI reports real-time current and thermal status to MCU.

Use Value: Integrated CSA and drain-source monitoring enable precise stall detection without external op-amps, reducing BOM count by 3 components.

Use Scenario: Multi-axis electric seat adjustment with position memory and pinch-protection torque limiting.

IC Role / Device Role / Timing Role: Dual half-bridge driver for simultaneous horizontal/vertical motors; programmable freewheeling minimizes audible coil whine during micro-step motion.

Use Value: 30 kHz PWM and zero-adjustable CSA allow sub-50 mA current resolution for reliable pinch detection per EN 16509.

Park Brake Actuation

Valve Tronic Engine Control

Use Scenario: Fail-safe electronic parking brake with redundant current monitoring and thermal derating.

IC Role / Device Role / Timing Role: High-reliability gate driver with AEC-Q100 Grade 0 qualification; TS/ACT_OFF links to brake caliper thermal sensor for dynamic torque reduction.

Use Value: Charge pump output (CP) drives external reverse-battery NMOS, enabling single-board reverse-polarity protection and reducing system-level component count.

Use Scenario: Variable valve lift actuator requiring fast, precise bidirectional movement with closed-loop current control.

IC Role / Device Role / Timing Role: SPI-configurable gate driver with 100% duty cycle capability ensures full valve opening at low battery voltage (6.5 V cold-crank).

Use Value: Central charge pump maintains gate voltage >10 V across full 6–28 V input range, guaranteeing R_DS(on) stability and minimizing conduction losses in high-duty-cycle operation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar H-bridge gate driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE9201SG	Single half-bridge driver (vs. dual); no integrated CSA; requires external current sense resistor and op-amp.	Limited to single-motor systems; lacks diagnostic depth (no drain-source monitoring or thermal interface).	Choose when cost sensitivity outweighs diagnostic completeness and dual-bridge requirement is absent.
DRV8703-Q1	Integrated current sense ADC (12-bit) vs. analog CSA output; no charge pump - relies on external bootstrap for high-side drive.	Better suited for low-voltage (<12 V) systems; cannot sustain 100% duty cycle below 9 V without external circuitry.	Prefer for designs prioritizing digital current telemetry over analog flexibility and wide-input-range robustness.

Compared with TLE9201SG and DRV8703-Q1, the L99H02XPTR uniquely combines dual half-bridge drive, embedded CSA with trimming, central charge pump for 6 V operation, and thermal sensor interface - making it the only option qualified for multi-axis seat positioning and park brake systems requiring simultaneous diagnostics, safety compliance, and low-voltage robustness.

Availability

L99H02XPTR is available at Aetrix Electronics and suitable for automotive wiper systems, power seat modules, and electronic park brake assemblies requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.

Supply support for L99H02XPTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader specializing in automotive-grade power management, microcontrollers, and analog ICs, with manufacturing certified to IATF 16949 and AEC-Q100 test standards.

The L99H02 belongs to ST's automotive H-bridge driver product line, engineered specifically for ISO 26262 ASIL-B capable motor control in body electronics - emphasizing functional safety, thermal resilience, and diagnostic completeness.

FAQ

What is the minimum VS supply voltage required for full R_DS(on) operation?

The L99H02XPTR maintains full R_DS(on) conduction for standard-threshold N-MOSFETs down to 6 V VS due to its central 2-stage charge pump, which generates sufficient gate voltage (≥10 V) even at cold-crank battery conditions. This is verified in Section 2.4 of DS12547 Rev 6, Table 14 "Gate drivers for external PowerMOS".

How does the TS/ACT_OFF pin function in thermal sensor mode?

When EXT_TS bit is set high via SPI, TS/ACT_OFF becomes an analog input accepting voltage signals from external MOSFET thermal sensors (e.g., NTCs). The internal comparator triggers thermal warning at user-defined thresholds, documented in Table 7 and Section 3.8 of the datasheet.

Can the current sense amplifier be used with shunt resistors placed on the high-side or low-side?

Yes - the CSA supports both configurations via multiplexed inputs (CSI1± and CSI2±), allowing shunt placement on either high-side (between VS and GHx) or low-side (between SLx and GND). Gain and offset are programmable through ApplReg1 and ApplReg2 registers per Section 4.6.

Is the L99H02XPTR pin-compatible with the L99H02QFTR (LQFP32) variant?

No - L99H02XPTR uses PowerSSO-36 (36-pin exposed-pad package), while L99H02QFTR uses LQFP32 (32-pin). Pin functions differ significantly: PowerSSO-36 includes dedicated CP1±/CP2± pins and separate SH/SL nodes, whereas LQFP32 consolidates some connections and omits CP2±. PCB layout and thermal design are not interchangeable.

L99H02XPTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: *

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Motor Type - Stepper:: -

Motor Type - AC, DC:: -

Function:: -

Output Configuration:: -

Interface:: -

Technology:: -

Step Resolution:: -

Applications:: -

Current - Output:: -

Voltage - Supply:: -

Voltage - Load:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

L99H02XPTR FAQ

1.How can I place an order for L99H02XPTR through Aetrix?

Please submit a Request for Quotation (RFQ) for L99H02XPTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for L99H02XPTR reliable?

The price and inventory of L99H02XPTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L99H02XPTR is usually 5 days.

3.What payment methods are accepted for L99H02XPTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L99H02XPTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for L99H02XPTR?

L99H02XPTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your L99H02XPTR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for L99H02XPTR?

For technical support, including L99H02XPTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L99H02XPTR requirements.

6.How does Aetrix verify that L99H02XPTR is sourced from the original manufacturer or authorized distributors?

All L99H02XPTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that L99H02XPTR meets industry standards.

7.What is the process for return or replacement of L99H02XPTR?

All L99H02XPTR units undergo pre-shipment inspection (PSI). If there is an issue with L99H02XPTR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The L99H02XPTR part is unused and in its original packaging.

Return procedure for L99H02XPTR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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