Status: | Active |
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Series: | L9177A |
RoHS: | Compliant |
AEC-Q100 qualified |
Supply voltage from 6 V to 18 V Basic functionality guaranteed down to 3.9 V |
Basic functionality guaranteed down to 3.9 V |
5 V regulator up to 300 mA with thermal shutdown protection in current limitation condition |
5 V tracking regulator up to 40 mA and short to battery protection |
5 V standby regulator up to 2.5 mA |
2 channels injectors drivers Parallel and serial driving Output internally clamped to 60 V Minimum overcurrent at 2.8 A Ron 0.6 Ω worst case (at Tj = 150 °C) |
Parallel and serial driving |
Output internally clamped to 60 V |
Minimum overcurrent at 2.8 A |
Ron 0.6 Ω worst case (at Tj = 150 °C) |
3 relay drivers 2 with parallel and serial driving, 1 with serial driving Output internally clamped to 45 V Minimum guaranteed output current 1 A Ron 1.5 Ω worst case (at Tj = 150 °C) |
2 with parallel and serial driving, 1 with serial driving |
Output internally clamped to 45 V |
Minimum guaranteed output current 1 A |
Ron 1.5 Ω worst case (at Tj = 150 °C) |
Tachometer driver Parallel and serial driving Minimum guaranteed output current 25 mA Ron 5 Ω worst case (at Tj = 150 °C) |
Parallel and serial driving |
Minimum guaranteed output current 25 mA |
Ron 5 Ω worst case (at Tj = 150 °C) |
Current limited low side driver (LSD) Serial driving Output internally clamped to 45 V Minimum guaranteed output current 1 A (2 A during in-rush) Ron 1.5 Ω worst case (at Tj = 150 °C) |
Serial driving |
Output internally clamped to 45 V |
Minimum guaranteed output current 1 A (2 A during in-rush) |
Ron 1.5 Ω worst case (at Tj = 150 °C) |
Stepper motor driver Parallel driving Minimum guaranteed output current 500 mA - full step Ron 2.6 Ω worst case on the diagonal (at Tj = 150 °C) |
Parallel driving |
Minimum guaranteed output current 500 mA - full step |
Ron 2.6 Ω worst case on the diagonal (at Tj = 150 °C) |
O2 sensor heater Parallel and serial driving Output internally clamped to 45 V Minimum guaranteed output current 3 A Ron 0.5 Ω worst case (at Tj = 150 °C) |
Parallel and serial driving |
Output internally clamped to 45 V |
Minimum guaranteed output current 3 A |
Ron 0.5 Ω worst case (at Tj = 150 °C) |
Protected high side driver 100 mA min. current limitation threshold |
100 mA min. current limitation threshold |
Full diagnosis by SPI Injector driver: OL, STG, OC Relay and current limited LSD drivers: OL, STG, OC O2 sensor heater: OL, STG, OC Tachometer: OL, STG, OC Stepper motor driver: OL, STG, STB, OC general diagnostic: over-temperature |
Injector driver: OL, STG, OC |
Relay and current limited LSD drivers: OL, STG, OC |
O2 sensor heater: OL, STG, OC |
Tachometer: OL, STG, OC |
Stepper motor driver: OL, STG, STB, OC |
general diagnostic: over-temperature |
Protection for STB, STG (for stepper motor drivers and tracking regulator) |
Self configuring variable reluctance sensor interface |
K-line transceiver |
Microcontroller reset logic |
Small Factor form package TQFP64 10 x 10 mm exposed pad down |
Product Specifications |
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DS12175 Automotive engine management control IC for small engines |
Application Notes |
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AN5319 Lamp switch management with L9177A |
Selection Guides |
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Automotive Smart Power – Product Selector Guide 2022 |
White Papers |
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STMicroelectronics enables electronic control of the next generation of Gasoline Direct Injection (GDI) engines. |
Peripheral on chip for low end engine control | Avnet Silica |
Peripheral On Chip, Aec-Q100, Tqfp-64 | Newark Electronics |
PERIPHERAL ON CHIP, AEC-Q100, TQFP-64 | element14 |
Where can I find additional details, specifications and documents for a L9177ATR?
Additional datasheets, footprints and schematics for L9177ATR are listed on our Part Details page. You can also find images and similar parts to L9177ATR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L9177ATR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L9177ATR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L9177ATR fall under?
The L9177ATR is listed under Automotive Analog and Power > Powertrain ICs for ICE/HEV/EV > Engine Management.
Can I view similar or alternative parts?
You can view similar parts to L9177ATR when available in the Engine Management range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the L9177ATR you can contact the distributor directly for product support, shipping queries etc.
Is the L9177ATR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L9177ATR have stock available?
Authorised distributors including Avnet Silica, Newark Electronics, Avnet America, element14 and Farnell have stock available or on a lead time for L9177ATR.
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