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

STMicroelectronics VNHD7008AYTR

Name: VNHD7008AYTR
Brand: STMicroelectronics
SKU: VNHD7008AYTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VNHD7008AYTR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

Package:: 36-PowerFSOP (0.295", 7.50mm Width)

Datasheet:: VNHD7008AYTR.pdf

Description:: IC MOTOR DRIVER 4V-28V 36PWRSSO

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Product details

Overview

VNHD7008AYTR from STMicroelectronics is an AEC-Q100 qualified dual-channel automotive H-bridge motor driver integrating two fully protected high-side drivers and gate drivers for external low-side MOSFETs. It delivers 51 A DC output current per channel, features 8 mΩ typical R_DS(on) per high-side switch, supports PWM operation up to 20 kHz for external LSDs, and operates with V_CC up to 38 V - used in electric power steering (EPS), HVAC blower control, and seat actuation systems.

For engineers reviewing the VNHD7008AYTR datasheet, VNHD7008AYTR pinout, VNHD7008AYTR application, or VNHD7008AYTR equivalent, key selection considerations include its MultiSense analog feedback capability (motor current, chip temperature, battery voltage), dual-channel independent protection architecture, PowerSSO-36 thermal performance, and 3 V CMOS-compatible logic interface compatibility with automotive microcontrollers.

Technical Context

The VNHD7008AYTR implements a dual-channel VIPower® M0-based H-bridge architecture with integrated high-side drivers and external low-side gate drivers. Each channel includes independent current limitation (51 A), active power limitation for fast thermal transients, cross-current and shoot-through protection, and loss-of-ground/V_CC detection.

Its MultiSense block provides multiplexed analog monitoring via a single pin: motor current feedback (via internal sense resistor), chip temperature (proportional voltage), and battery voltage (V_BATT scaling). Diagnostic flags - short-to-ground, short-to-V_CC, open-load in OFF-state, and thermal shutdown - are reported through configurable SEL0/SEL1 address lines.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Current	51 A DC per channel - enables direct driving of high-power automotive DC motors without external current amplification.
R_DS(on) (HS)	8 mΩ typ per channel at T_j = 25 °C - minimizes conduction loss and thermal stress under full load.
V_CC Max	38 V - supports 24 V commercial/12 V passenger vehicle systems with robust transient margin (ISO 7637-2 compliant).
PWM Frequency Support	Up to 20 kHz for external LSDs - ensures smooth motor torque control and audible noise suppression.
MultiSense Functions	Analog motor current + chip temperature + battery voltage on one pin - reduces MCU ADC channel count and simplifies diagnostics.
Protections	Undervoltage shutdown, overvoltage clamp, thermal shutdown (latch-off), cross-current, shoot-through, short-to-battery (via V_DS monitoring), ESD (4 kV HBM) - meets ASIL-B functional safety requirements.
Logic Interface	3 V CMOS compatible (V_IL = 0.9 V, V_IH = 2.1 V) - interoperable with modern automotive MCUs without level-shifting.

Pinout & Package

Package: PowerSSO-36 exposed pad - optimized for thermal dissipation in automotive under-hood environments (R_thj-case = 2.4 °C/W per channel, R_thj-amb = 16.6 °C/W on JEDEC JESD51-7 board).

Pin/Terminal	Circuit Role	Design Meaning
OUTA / OUTB	High-side source outputs (x2)	Connect directly to motor terminals; each carries full load current and integrates freewheeling diode (V_f = 0.6–0.7 V @ -12 A).
GATE_LSA / GATE_LSB	External LSD gate drivers	Drive N-channel MOSFET gates with regulated 12 V output; support 20 kHz PWM switching.
INA / INB	H-bridge direction control inputs	CMOS-compatible logic pins defining forward/brake/reverse states per truth table (Table 12); no pull-up required.
PWM	Low-side PWM input	Modulates external LSDs only; high-side remains fully on/off - enables half-bridge or full-H-bridge topologies.
MultiSense	Analog diagnostic multiplexer output	Single-pin reporting of motor current, V_BATT, or T_j based on SEL0/SEL1 state - eliminates need for separate sensing circuitry.
VREF_OVL_LSA / VREF_OVL_LSB	V_DS threshold setting resistors	Configure short-to-battery detection sensitivity for each external LSD using external resistive dividers.
CP / Vbatt / TAB (V_CC)	Reverse battery protection interface	Charge pump drives external P-MOSFET; Vbatt connects to P-MOS source, TAB (V_CC) to drain - blocks reverse polarity up to -16 V.

Key Features

Feature	Design Value
Dual independent high-side drivers	Each channel rated for 51 A continuous, 8 mΩ R_DS(on), with latch-off thermal shutdown - enables redundant or split-load motor control.
MultiSense analog monitoring	Motor current, chip temperature, and battery voltage scaled to 0–5 V range on one pin - reduces BOM cost and PCB area vs discrete sensors.
V_DS monitoring for external LSDs	Configurable short-to-battery detection per leg using external resistors on VREF_OVL pins - prevents catastrophic failure during LSD failure modes.
Reverse battery protection	Integrated charge pump (CP) and driver (Vbatt/TAB) for external P-MOSFET - eliminates need for bulky series diodes or dedicated ICs.
Standby mode with <300 µs blanking	Ultra-low quiescent current (<1 µA at 25 °C) and fast wake-up - meets automotive "always-on" module sleep current requirements.

Applications

Electric Power Steering (EPS)

HVAC Blower Control

Use Scenario: Bidirectional assist torque generation in column-assist or rack-assist EPS modules.

IC Role / Device Role / Timing Role: Dual-channel H-bridge driver controlling brushed DC motor phase polarity and PWM duty cycle; MultiSense reports real-time motor current for torque estimation.

Use Value: Enables precise torque control with built-in current limiting and thermal protection - critical for ASIL-C system integrity and fail-safe response.

Use Scenario: Variable-speed control of centrifugal blower motors in automotive climate control systems.

IC Role / Device Role / Timing Role: Full-bridge driver operating in half-bridge mode (one HS + one external LSD per channel); PWM input modulates fan speed up to 20 kHz.

Use Value: Eliminates acoustic noise from low-frequency switching while maintaining high efficiency via low R_DS(on) and integrated diagnostics.

Seat Position Actuators

Front Wiper Motor Control

Use Scenario: Linear motion control of driver/passenger seat fore-aft, recline, and lumbar adjustment mechanisms.

IC Role / Device Role / Timing Role: Dual independent H-bridge channels drive two separate DC motors; standby mode reduces parasitic draw during vehicle sleep.

Use Value: Integrated open-load detection in OFF-state confirms mechanical jam or disconnection - prevents unintended activation and improves diagnostic coverage.

Use Scenario: Intermittent or variable-speed operation of front windshield wiper motors in rain-sensing systems.

IC Role / Device Role / Timing Role: High-side driver + external LSD configuration; MultiSense monitors battery voltage to adjust wiper speed during cranking (low-V_BATT compensation).

Use Value: Maintains consistent wiping performance across wide battery voltage range (6–16 V) without external regulation or sensing components.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel automotive H-bridge applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BD37027FV	Single-channel, 40 A max, no MultiSense, no V_DS monitoring, SOIC-24 package	Limited to lower-power loads; lacks integrated diagnostics and thermal feedback	Only suitable for non-safety-critical, space-constrained applications where full dual-channel redundancy is not required.
VN5E160ASPTR-E	Dual-channel high-side driver only (no LSD gate drivers), 60 A peak, no MultiSense analog output	Requires external LSD drivers and separate current/voltage sensing; higher system-level BOM count	Preferred when design already uses discrete LSD drivers and needs higher peak current capability than VNHD7008AYTR's 51 A continuous rating.

Compared with BD37027FV and VN5E160ASPTR-E, the VNHD7008AYTR uniquely integrates both high-side and low-side gate drive, analog MultiSense feedback, and V_DS monitoring in a single PowerSSO-36 package - reducing component count, improving diagnostic coverage, and enabling ASIL-B-compliant motor control without external signal conditioning.

Availability

VNHD7008AYTR is available at Aetrix Electronics and suitable for electric power steering (EPS), HVAC blower control, and seat position actuator applications requiring stable component supply, AEC-Q100 compliance, and long-term automotive lifecycle support.

Supply support for VNHD7008AYTR 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 ICs, microcontrollers, and sensors - with over 30 years of automotive qualification expertise and ISO/TS 16949 certified manufacturing.

The VNHD7008AYTR belongs to ST's VIPower® M0 family of intelligent power drivers, designed specifically for demanding automotive body electronics and chassis applications requiring high current, integrated protection, and functional safety-ready diagnostics.

FAQ

What is the maximum continuous output current per channel for VNHD7008AYTR?

The VNHD7008AYTR supports 51 A DC continuous output current per high-side channel under specified thermal conditions (T_j ≤ 150 °C, R_thj-amb = 16.6 °C/W). This rating assumes proper PCB copper area (≥2 cm² heatsink) and airflow per JEDEC JESD51-7. Peak current capability exceeds 70 A for short durations with active power limitation enabled.

How does the MultiSense pin provide multiple analog signals on a single pin?

The MultiSense pin outputs three distinct analog voltages - motor current, chip temperature, and battery voltage - selected by the logic states of SEL0 and SEL1 pins per Table 12. An internal multiplexer routes the appropriate signal to the pin; each has calibrated scaling (e.g., 10 mV/°C for temperature, 0.1 V/V_BATT for supply monitoring), enabling MCU ADC reuse.

Does VNHD7008AYTR support half-bridge operation with external low-side MOSFETs?

Yes. The device is explicitly designed for half-bridge configurations: INA/INB control high-side switches, while PWM modulates GATE_LSA/GATE_LSB outputs to drive external N-channel LSDs. Truth tables (Tables 12–14) define all valid states, including brake-by-conduction and freewheeling modes, with shoot-through prevention enforced internally.

What external components are required for reverse battery protection?

A single external P-channel MOSFET is required: its source connects to Vbatt, drain to TAB (V_CC), and gate to CP. A 10 kΩ pull-down resistor on CP ensures safe turn-off during startup. No additional charge pump capacitors or level shifters are needed - the internal CP generates ~12 V above Vbatt to fully enhance the P-MOSFET gate.

VNHD7008AYTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: VIPOWER™

Package/Case:: 36-PowerFSOP (0.295", 7.50mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Motor Type - Stepper:: -

Motor Type - AC, DC:: Brushed DC

Function:: Driver - Fully Integrated, Control and Power Stage

Output Configuration:: Half Bridge (2)

Interface:: PWM

Technology:: Power MOSFET

Step Resolution:: -

Applications:: -

Current - Output:: 51A

Voltage - Supply:: 4V ~ 28V

Voltage - Load:: 4V ~ 28V

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-36

VNHD7008AYTR FAQ

1.How can I place an order for VNHD7008AYTR through Aetrix?

Please submit a Request for Quotation (RFQ) for VNHD7008AYTR 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 VNHD7008AYTR reliable?

The price and inventory of VNHD7008AYTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VNHD7008AYTR is usually 5 days.

3.What payment methods are accepted for VNHD7008AYTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VNHD7008AYTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VNHD7008AYTR?

VNHD7008AYTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VNHD7008AYTR 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 VNHD7008AYTR?

For technical support, including VNHD7008AYTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VNHD7008AYTR requirements.

6.How does Aetrix verify that VNHD7008AYTR is sourced from the original manufacturer or authorized distributors?

All VNHD7008AYTR 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 VNHD7008AYTR meets industry standards.

7.What is the process for return or replacement of VNHD7008AYTR?

All VNHD7008AYTR units undergo pre-shipment inspection (PSI). If there is an issue with VNHD7008AYTR, 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 VNHD7008AYTR part is unused and in its original packaging.

Return procedure for VNHD7008AYTR:

1.Submit a request within 90 days.

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

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