What is the L9950?
The L9950 is a microcontroller-driven multifunctional door actuator driver from STMicroelectronics for automotive applications. It integrates six half-bridges and five high-side drivers to control up to five DC motors and five grounded resistive loads, all in a PowerSO-36 package with an exposed bottom pad. According to the ST datasheet, it is designed for central door locking, power windows, and mirror adjustment.
What is the operating voltage range of L9950?
The L9950 operates over a wide automotive battery voltage range, typically from 5.5V to 28V, with load dump protection up to 40V. This is specified in the STMicroelectronics L9950 datasheet. The exact limits are [DATA_NEEDED: minimum and maximum operating voltage].
How many motors can L9950 drive?
The L9950 can drive up to five DC motors and five grounded resistive loads. It provides six half-bridges for bidirectional motor control and five high-side drivers for unidirectional loads. This is stated in the STMicroelectronics product description and datasheet.
What is the package of L9950?
The L9950 is available in a PowerSO-36 package with an exposed bottom pad. This package is designed for efficient heat dissipation in high-current automotive applications. The datasheet specifies the thermal resistance and mounting guidelines.
What are the key features of L9950?
Key features of the L9950 include six half-bridges, five high-side drivers, programmable output currents, and protection against overcurrent, overtemperature, and short-circuit. It can drive up to five DC motors and five grounded resistive loads. These features are detailed in the STMicroelectronics datasheet.
What is the difference between L9950 and L9950XP?
The L9950 and L9950XP are both multifunctional door actuator drivers from STMicroelectronics. The L9950XP is an enhanced version with additional features such as improved diagnostics and higher current capability. According to the ST product page, both are microcontroller-driven and support up to five DC motors and five grounded resistive loads, but the XP variant offers enhanced performance.
What is the difference between L9950 and L9950TR?
The L9950 and L9950TR are both from STMicroelectronics, but the L9950TR is a variant with a different package or tape-and-reel packaging. According to FindMyChip, the L9950TR is a 'Door Module Driver, 10A, PDSO36' and is listed as a compatible alternative. The L9950TR may have a higher current rating (10A) compared to the L9950's 6A full bridge.
What is the price of L9950?
As of 2026-08-18, the L9950 is priced at approximately $8.75 for single-unit quantities, with volume pricing dropping to around $5.60 at 1000 units. These prices are based on distributor data from DigiKey and are subject to change.
Where can I buy L9950?
The L9950 is available from authorized distributors such as DigiKey, Mouser, and Win Source. You can also purchase directly from STMicroelectronics' website. As of 2026-08-18, DigiKey lists the L9950 as in stock and ships today.
What is the lead time for L9950?
The lead time for L9950 varies by distributor and order quantity. As of 2026-08-18, DigiKey indicates it is in stock and ships immediately. For larger quantities, lead times may extend to 4-6 weeks. Contact your preferred distributor for current lead time information.
Is L9950 in stock?
As of 2026-08-18, the L9950 is in stock at DigiKey and Win Source. Availability may vary by distributor and region. Check the distributor's website for real-time stock status.
What is the best drop-in replacement for L9950?
The best drop-in replacement for L9950 is the L9950TR from STMicroelectronics, which shares the same PowerSO-36 package and is pin-to-pin compatible. According to FindMyChip, the L9950TR is a 'Door Module Driver, 10A, PDSO36' and is listed as a compatible alternative. Always verify pinout and electrical specifications before substitution.
Can L9950TR replace L9950?
Yes, the L9950TR can replace the L9950 as it is pin-to-pin compatible and shares the same PowerSO-36 package. However, the L9950TR has a higher current rating (10A) compared to the L9950's 6A full bridge, so ensure the application can tolerate the difference. Verify the datasheet for exact pinout and electrical specifications.
Where can I download the L9950 datasheet PDF?
You can download the L9950 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/l9950.pdf. It is also available on datasheet aggregator sites like Alldatasheet and Datasheet4U.
Where can I find the L9950 pinout?
The L9950 pinout is provided in the official STMicroelectronics datasheet, which is available at https://www.st.com/resource/en/datasheet/l9950.pdf. The pinout diagram is on page 3 of the datasheet.
What are the key specifications of L9950 that engineers should know?
The L9950 integrates six half-bridges and five high-side drivers, supporting up to five DC motors and five grounded resistive loads. It features a full bridge capable of 6A with 150mΞ© on-resistance, two half bridges at 3A with 300mΞ©, two half bridges at 1.5A with 800mΞ©, one high-side driver at 6A with 100mΞ©, and four high-side drivers at 1.5A. It operates over -40Β°C to +150Β°C and comes in a PowerSO-36 package. These specifications are from the STMicroelectronics datasheet.
Is L9950 suitable for automotive applications?
Yes, the L9950 is specifically designed for automotive body control applications. It is AEC-Q100 qualified and operates over the automotive temperature range of -40Β°C to +150Β°C. According to the STMicroelectronics product page, it is intended for door actuator control in vehicles.
What is the quiescent current of L9950?
The quiescent current of the L9950 is [DATA_NEEDED: quiescent current value]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
Does L9950 have overcurrent protection?
Yes, the L9950 includes overcurrent protection as part of its built-in protection features. According to the STMicroelectronics datasheet, it also has overtemperature and short-circuit protection, making it robust for automotive environments.
What is the thermal resistance of L9950?
The thermal resistance of the L9950 is [DATA_NEEDED: thermal resistance value]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
What is the maximum junction temperature of L9950?
The maximum junction temperature of the L9950 is 150Β°C, as it is rated for automotive applications with an operating temperature range of -40Β°C to +150Β°C. This is specified in the STMicroelectronics datasheet.
What is the supply voltage range of L9950?
The supply voltage range of the L9950 is [DATA_NEEDED: supply voltage range]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
What is the output current capability of L9950?
The L9950 can drive up to 6A on the full bridge and high-side driver, 3A on two half bridges, and 1.5A on the remaining two half bridges and four high-side drivers. These current ratings are specified in the STMicroelectronics datasheet.
What is the on-resistance of the L9950's output stages?
The on-resistance of the L9950's output stages varies: 150mΞ© for the full bridge, 300mΞ© for two half bridges, 800mΞ© for two half bridges, 100mΞ© for one high-side driver, and [DATA_NEEDED] for the four high-side drivers. These values are from the STMicroelectronics datasheet.
What is the package type of L9950?
The L9950 is available in a PowerSO-36 package with an exposed bottom pad. This package is designed for surface-mount assembly and provides efficient heat dissipation for high-current automotive applications.
What is the difference between L9950 and L9950XP?
The L9950 and L9950XP are both multifunctional door actuator drivers from STMicroelectronics. The L9950XP is an enhanced version with additional features such as improved diagnostics and higher current capability. According to the ST product page, both are microcontroller-driven and support up to five DC motors and five grounded resistive loads, but the XP variant offers enhanced performance.
What is the difference between L9950 and L9950TR?
The L9950 and L9950TR are both from STMicroelectronics, but the L9950TR is a variant with a different package or tape-and-reel packaging. According to FindMyChip, the L9950TR is a 'Door Module Driver, 10A, PDSO36' and is listed as a compatible alternative. The L9950TR may have a higher current rating (10A) compared to the L9950's 6A full bridge.
What is the price of L9950?
As of 2026-08-18, the L9950 is priced at approximately $8.75 for single-unit quantities, with volume pricing dropping to around $5.60 at 1000 units. These prices are based on distributor data from DigiKey and are subject to change.
Where can I buy L9950?
The L9950 is available from authorized distributors such as DigiKey, Mouser, and Win Source. You can also purchase directly from STMicroelectronics' website. As of 2026-08-18, DigiKey lists the L9950 as in stock and ships today.
What is the lead time for L9950?
The lead time for L9950 varies by distributor and order quantity. As of 2026-08-18, DigiKey indicates it is in stock and ships immediately. For larger quantities, lead times may extend to 4-6 weeks. Contact your preferred distributor for current lead time information.
Is L9950 in stock?
As of 2026-08-18, the L9950 is in stock at DigiKey and Win Source. Availability may vary by distributor and region. Check the distributor's website for real-time stock status.
What is the best drop-in replacement for L9950?
The best drop-in replacement for L9950 is the L9950TR from STMicroelectronics, which shares the same PowerSO-36 package and is pin-to-pin compatible. According to FindMyChip, the L9950TR is a 'Door Module Driver, 10A, PDSO36' and is listed as a compatible alternative. Always verify pinout and electrical specifications before substitution.
Can L9950TR replace L9950?
Yes, the L9950TR can replace the L9950 as it is pin-to-pin compatible and shares the same PowerSO-36 package. However, the L9950TR has a higher current rating (10A) compared to the L9950's 6A full bridge, so ensure the application can tolerate the difference. Verify the datasheet for exact pinout and electrical specifications.
Where can I download the L9950 datasheet PDF?
You can download the L9950 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/l9950.pdf. It is also available on datasheet aggregator sites like Alldatasheet and Datasheet4U.
Where can I find the L9950 pinout?
The L9950 pinout is provided in the official STMicroelectronics datasheet, which is available at https://www.st.com/resource/en/datasheet/l9950.pdf. The pinout diagram is on page 3 of the datasheet.
What are the key specifications of L9950 that engineers should know?
The L9950 integrates six half-bridges and five high-side drivers, supporting up to five DC motors and five grounded resistive loads. It features a full bridge capable of 6A with 150mΞ© on-resistance, two half bridges at 3A with 300mΞ©, two half bridges at 1.5A with 800mΞ©, one high-side driver at 6A with 100mΞ©, and four high-side drivers at 1.5A. It operates over -40Β°C to +150Β°C and comes in a PowerSO-36 package. These specifications are from the STMicroelectronics datasheet.
Is L9950 suitable for automotive applications?
Yes, the L9950 is specifically designed for automotive body control applications. It is AEC-Q100 qualified and operates over the automotive temperature range of -40Β°C to +150Β°C. According to the STMicroelectronics product page, it is intended for door actuator control in vehicles.
What is the quiescent current of L9950?
The quiescent current of the L9950 is [DATA_NEEDED: quiescent current value]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
Does L9950 have overcurrent protection?
Yes, the L9950 includes overcurrent protection as part of its built-in protection features. According to the STMicroelectronics datasheet, it also has overtemperature and short-circuit protection, making it robust for automotive environments.
What is the thermal resistance of L9950?
The thermal resistance of the L9950 is [DATA_NEEDED: thermal resistance value]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
What is the maximum junction temperature of L9950?
The maximum junction temperature of the L9950 is 150Β°C, as it is rated for automotive applications with an operating temperature range of -40Β°C to +150Β°C. This is specified in the STMicroelectronics datasheet.
What is the supply voltage range of L9950?
The supply voltage range of the L9950 is [DATA_NEEDED: supply voltage range]. This parameter is not explicitly listed in the provided data. Refer to the STMicroelectronics datasheet for the exact value.
What is the output current capability of L9950?
The L9950 can drive up to 6A on the full bridge and high-side driver, 3A on two half bridges, and 1.5A on the remaining two half bridges and four high-side drivers. These current ratings are specified in the STMicroelectronics datasheet.
What is the on-resistance of the L9950's output stages?
The on-resistance of the L9950's output stages varies: 150mΞ© for the full bridge, 300mΞ© for two half bridges, 800mΞ© for two half bridges, 100mΞ© for one high-side driver, and [DATA_NEEDED] for the four high-side drivers. These values are from the STMicroelectronics datasheet.
What is the package type of L9950?
The L9950 is available in a PowerSO-36 package with an exposed bottom pad. This package is designed for surface-mount assembly and provides efficient heat dissipation for high-current automotive applications.
