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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 24TSSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：SEPIC, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：5.3V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：100kHz ~ 800kHz
- Dimming：Analog, PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：24-TSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The AT9917TS-G is an automotive LED driver IC designed for high-current accuracy applications. It supports multiple input voltages including 9V, 12V, 15V, 18V, and 24V systems. The device operates within a switching frequency range of 100kHz to 800kHz and accepts both analog and PWM dimming signals. It features a junction temperature rating up to 150°C and is housed in a 24-pin TSSOP package with tape and reel packaging containing 2500 units.
Feature Summary
- Automotive-grade reliability with high current accuracy
- Supports analog and PWM dimming methods
- Compatible with SEPIC, Buck, and Boost converter topologies
Applications
- Automotive lighting systems
- High-current LED driving circuits
- Vehicle interior and exterior illumination
Procurement Notes
Verify the specific datasheet version and ordering suffixes when sourcing. Confirm that the TSSOP-24 package matches your PCB footprint requirements. Ensure the supplier provides official Microchip Technology documentation to validate the automotive grade specifications and operating temperature ranges before integration.
Selection Notes
Select this component for designs requiring precise current regulation in automotive environments. Consider the supported input voltage range and switching frequency limits when designing the external passive components. Verify compatibility with the required dimming interface, whether analog or PWM, to ensure proper system control functionality.
Part Context
This part belongs to the AT9917 series of LED drivers from Microchip Technology. It is specifically engineered for automotive applications demanding high current accuracy. The series includes variants such as the AT9917TS-GVAO, sharing similar core functionalities but potentially differing in packaging or specific qualification standards.
Replacement Considerations
The AT9917TS-GVAO is a related variant within the same product family. Verify pinout compatibility and electrical parameter equivalence before substitution. Consult the official Microchip Technology documentation to confirm functional interchangeability and any differences in packaging or qualification levels.
