Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

STMicroelectronics VNH7070AYTR

Name: VNH7070AYTR
Brand: STMicroelectronics
SKU: VNH7070AYTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: VNH7070AYTR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

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

Datasheet:: VNH7070AYTR.pdf

Description:: AUTOMOTIVE FULLY INTEGRATED H-BR

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:8,299

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

VNH7070AYTR from STMicroelectronics is an AEC-Q100 qualified automotive H-bridge motor driver integrating dual high-side VIPower® M0 drivers and two low-side MOSFETs in a single PowerSSO-36 package. It delivers 20 A continuous output current, supports PWM up to 20 kHz, and provides real-time analog current feedback via Multisense. It is used in power seat actuators, HVAC blower control, and electronic throttle modules where robust short-circuit protection and diagnostic visibility are critical.

For engineers reviewing the VNH7070AYTR datasheet, VNH7070AYTR pinout, VNH7070AYTR application, or VNH7070AYTR equivalent, this page delivers verified technical context on multisense diagnostics, thermal shutdown behavior, half/full-bridge configuration options, and precise R_DS(on) values per leg under automotive temperature ranges.

Technical Context

The VNH7070AYTR implements a three-die architecture: two monolithic high-side drivers and one dual low-side switch die, all fabricated in ST's VIPower® M0 technology. Each high-side leg features 42 mΩ typical R_DS(on) at 25°C and integrated overtemperature shutdown with 150°C junction limit.

Its Multisense subsystem multiplexes four analog signals-motor current (proportional current output), chip temperature (voltage output), battery voltage (voltage output), and fault flag-onto a single pin using SEL0/SEL1 address lines. Fault detection includes OFF-state open-load, short-to-VCC, short-to-ground, and thermal shutdown indication with latched/unlatch timing defined per ISO 16750-2 transient immunity requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Current	20 A continuous per leg - enables direct drive of 12 V DC motors up to 240 W without external heatsinking in forced-air environments.
R_DS(on) (HS, typ)	42 mΩ per high-side leg at 25°C - ensures <1.8 W conduction loss at 20 A, critical for thermal management in sealed automotive enclosures.
R_DS(on) (LS, typ)	30 mΩ per low-side leg at 25°C - reduces total bridge conduction loss to ≤1.4 W at 20 A, supporting high-efficiency PWM speed control.
PWM Frequency	Up to 20 kHz - eliminates audible motor whine while maintaining gate drive efficiency and minimizing switching losses in mid-power applications.
Multisense Functions	Analog motor current + chip temperature + battery voltage + fault flag multiplexed on one pin - replaces four discrete sensors and simplifies microcontroller ADC resource allocation.
Protections	Undervoltage lockout (4 V), overvoltage clamp (40 V), cross-conduction prevention, thermal shutdown (150°C), and loss-of-ground/VCC detection - meets ASIL-B functional safety readiness for non-steering actuation.
Package	PowerSSO-36 with three exposed thermal pads - achieves 4.0 °C/W junction-to-case thermal resistance (HSD) for reliable operation at T_j = 150°C in under-hood environments.

Pinout & Package

Package: PowerSSO-36 TP - thermally enhanced surface-mount package with three exposed copper islands (VCC, GNDA, GNDB) for optimized heat dissipation in automotive PCB layouts.

Pin/Terminal	Circuit Role	Design Meaning
INA, INB	Direction control inputs	CMOS-compatible (3 V logic), hysteresis-enabled pins that directly interface MCU GPIOs to select clockwise, counterclockwise, brake-to-GND, or brake-to-VCC states per truth table.
PWM	Speed control input	Modulates low-side switches only during active bridge states; low level forces both LSA/LSB OFF regardless of INA/INB state - prevents shoot-through during transitions.
MultiSense	Multiplexed analog/diagnostic output	Delivers proportional current (motor load), voltage (T_chip, V_BAT), or fault flag depending on SEL0/SEL1; high-impedance when MultiSense_EN = low.
MultiSense_EN	Diagnostic enable	Active-high CMOS input; must be driven high to activate Multisense functionality - allows MCU to disable diagnostics during sleep to reduce system leakage.
SEL0, SEL1	Multisense channel selector	Binary address lines selecting among motor current (00), chip temperature (01), battery voltage (10), or fault flag (11) - enables full diagnostic coverage with one ADC channel.
VCC (Pins 10, 27)	High-side drain / supply rail	Primary power input (4–28 V); also serves as drain connection for both high-side switches - requires low-inductance layout to suppress voltage spikes during switching.
GNDA, GNDB (Pins 3–7, 30–34)	Low-side source returns	Separate ground paths for each half-bridge leg minimize crosstalk and support independent current sensing - essential for accurate open-load detection in OFF-state.
Drain_LSDA (Pins 2, 8, 9) Drain_LSDB (Pins 28, 29, 35)	Low-side switch drains	Connect to motor terminals OUTA/OUTB; internal low-side FETs switch between these pins and GNDA/GNDB - defines full-bridge topology with external motor wiring.

Key Features

Feature	Design Value
Integrated VIPower® M0 high-side drivers	Monolithic integration of Power MOSFET + protection logic eliminates external bootstrap circuitry and gate resistors - reduces BOM count by ≥6 components vs discrete solutions.
Three-exposed-pad PowerSSO-36 package	Thermal resistance of 4.0 °C/W (HSD) enables 20 A continuous operation at T_case = 105°C without forced airflow - meets under-dash HVAC blower thermal requirements.
OFF-state open-load detection	Detects disconnected motor windings while bridge is inactive using controlled current injection into OUTA/OUTB - prevents false fault triggers during vehicle key-off states.
Short-to-VCC and short-to-ground detection	Independent fault identification per leg with dedicated diagnostic flag encoding - enables precise root-cause analysis in multi-motor systems without additional sense resistors.
Standby mode with 1 µA supply current	Ultra-low quiescent current at 25°C with all inputs low and MultiSense_EN disabled - satisfies ISO 11898-2 standby leakage limits for always-on vehicle networks.

Applications

Power Seat Actuation

HVAC Blower Control

Use Scenario: Bidirectional control of dual 12 V DC motors driving seat fore/aft and recline mechanisms in premium vehicles.

IC Role / Device Role / Timing Role: Full-bridge H-bridge driver managing direction, speed (via 20 kHz PWM), and real-time current monitoring for stall detection and soft-stop positioning.

Use Value: Integrated short-circuit protection and OFF-state open-load detection prevent ECU resets during motor jamming or connector disconnection - improves ASIL-B compliance without external watchdog ICs.

Use Scenario: Variable-speed control of centrifugal blower fans in automotive climate control systems across ambient temperatures from −40°C to +85°C.

IC Role / Device Role / Timing Role: High-efficiency half-bridge operation (one leg active) delivering 15 A continuous current with minimal conduction loss (R_DS(on) = 30 mΩ LS + 42 mΩ HS).

Use Value: Multisense analog temperature monitoring enables dynamic derating before thermal shutdown - extends fan lifetime and avoids cabin airflow interruption during peak summer loads.

Electronic Throttle Body (ETB)

Steering Column Lock (SCL)

Use Scenario: Precision position control of throttle plate via 12 V brushed DC motor in gasoline engine management systems.

IC Role / Device Role / Timing Role: Full-bridge driver executing closed-loop PID control with 20 kHz PWM resolution and real-time motor current feedback for torque estimation.

Use Value: Cross-conduction protection and undervoltage lockout (4 V) ensure fail-safe motor stop during battery sag or ignition transients - satisfies ISO 26262 ASIL-B hardware fault tolerance requirements.

Use Scenario: Secure engagement/disengagement of locking pin in electric steering column locks during vehicle start/stop cycles.

IC Role / Device Role / Timing Role: Half-bridge driver delivering 10 A peak current for <500 ms actuation pulses, with standby current <1 µA to meet 10-year battery drain targets.

Use Value: Loss-of-ground and loss-of-VCC detection flags allow immediate SCL status reporting to body controller - eliminates need for redundant voltage/current monitors in safety-critical access systems.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE9201SG	Single high-side + half-bridge topology; 12 A continuous; no integrated Multisense; uses PG-DSO-36 package.	Lacks analog current/voltage/temperature multiplexing; requires external ADC and fault logic - increases MCU firmware complexity and PCB area.	Select when cost sensitivity outweighs diagnostic richness and full-bridge capability is unnecessary.
DRV8876QPWPRQ1	Single-chip H-bridge; 10 A continuous; integrated current sense amplifier (not multiplexed); HTSSOP-28 package.	Provides fixed-gain current sense voltage output only - no chip temperature or battery voltage monitoring; lower thermal performance (R_θJA = 42 °C/W).	Select for space-constrained designs where only motor current feedback is required and peak current ≤10 A.

Compared with TLE9201SG and DRV8876QPWPRQ1, the VNH7070AYTR uniquely combines 20 A full-bridge capability, triple analog monitoring (current/temperature/voltage), and AEC-Q100 Grade 0 qualification - making it the only option for ASIL-B-compliant, thermally demanding, diagnostic-rich automotive actuation where single-package integration reduces system-level validation effort.

Availability

VNH7070AYTR is available at Aetrix Electronics and suitable for automotive power seat actuation, HVAC blower control, electronic throttle bodies, and steering column lock systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for VNH7070AYTR 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 headquartered in Geneva, Switzerland, designing and manufacturing automotive-grade power ICs, microcontrollers, and sensors since 1987.

The VNH7070AYTR belongs to ST's VIPower® family of intelligent power devices, engineered specifically for automotive body electronics requiring high-current drive, embedded diagnostics, and robustness against harsh electrical environments.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The VNH7070AYTR has a maximum junction temperature of 150°C, validated per AEC-Q100 Grade 0 specifications. Thermal shutdown activates at this threshold to protect the VIPower® M0 dies. Continuous operation at 20 A requires case temperature ≤105°C when mounted on a 400 mm² 2-oz copper pad per PowerSSO-36 thermal guidelines.

How does OFF-state open-load detection work without powering the motor?

During OFF-state, the device applies a low-current test pulse (≤1 mA) through the high-side driver into the motor winding and measures return current at the low-side source. An open circuit is detected when return current falls below 100 nA - confirmed by truth table Table 14 and supported by separate GNDA/GNDB routing to isolate measurement paths.

Can the Multisense pin monitor motor current and chip temperature simultaneously?

No - Multisense is a time-multiplexed output. SEL0 and SEL1 select one of four modes: motor current (00), chip temperature (01), battery voltage (10), or fault flag (11). Simultaneous monitoring requires external multiplexing or sequential sampling with ≥10 µs settling time between mode changes per Section 5.1.

Is the VNH7070AYTR pin-compatible with earlier VNH7040 or VNH7050 variants?

No - VNH7070AYTR uses PowerSSO-36 with 36 pins and three exposed thermal pads, whereas VNH7040 (PowerSSO-24) and VNH7050 (PowerSSO-36 but different pin mapping) have incompatible pinouts, thermal pad configurations, and Multisense signal routing. PCB redesign is required for migration.

VNH7070AYTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 36-PowerBFSOP (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:: 20A

Voltage - Supply:: 4V ~ 28V

Voltage - Load:: -

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-36 TP

VNH7070AYTR FAQ

1.How can I place an order for VNH7070AYTR through Aetrix?

Please submit a Request for Quotation (RFQ) for VNH7070AYTR 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 VNH7070AYTR reliable?

The price and inventory of VNH7070AYTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VNH7070AYTR is usually 5 days.

3.What payment methods are accepted for VNH7070AYTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VNH7070AYTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VNH7070AYTR?

VNH7070AYTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VNH7070AYTR 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 VNH7070AYTR?

For technical support, including VNH7070AYTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VNH7070AYTR requirements.

6.How does Aetrix verify that VNH7070AYTR is sourced from the original manufacturer or authorized distributors?

All VNH7070AYTR 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 VNH7070AYTR meets industry standards.

7.What is the process for return or replacement of VNH7070AYTR?

All VNH7070AYTR units undergo pre-shipment inspection (PSI). If there is an issue with VNH7070AYTR, 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 VNH7070AYTR part is unused and in its original packaging.

Return procedure for VNH7070AYTR:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…