TPS40210QDGQRQ1 Integrated Circuits (ICs)

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1. Describe

The TPS40210QDGQRQ1 and TPS40211-Q1 devices are Wide input voltage (4.5 V to 52 V) asynchronous boost controller. They are suitable for topologies that satisfy the following conditions A grounded source N-channel FET is required, including Boost, flyback, SEPIC and various LED drivers application. Device features include programmable Soft start, overcurrent protection with auto-retry, and programmable oscillator frequency. Current Mode Control Provides Improved Transient Response and simplified loop compensation.

2. Feature

    1. Compliant with automotive application requirements

    2. AEC-Q100 qualified with the following results:

        – Device temperature grade 1: –40°C to 125°C ambient operating temperature range

        – Equipment HBM ESD classification level 2

        – Equipment CDM ESD classification level C4B

    3. Functional safety capabilities 

        – Documentation available to aid in functional safety system design

    4. For boost, flyback, SEPIC, LED driver applications

    5. Wide input operating voltage: 4.5 V to 52 V

    6. Adjustable oscillator frequency

    7. Fixed frequency current mode control

    8. Internal slope compensation

    9. Integrated low-side driver

  10. Programmable closed-loop soft-start

  11. Overcurrent protection

  12. Support for external synchronization

  13. Reference voltage: 700 mV (TPS40210-Q1), 260 mV (TPS40211-Q1)

  14. Low current disable function

3. Application

    1. Infotainment and cluster applications

    2. Body electronics (lighting)

    3. HEV/EV and powertrain

4. Pin configuration

5. Pin function

6. Application Information

The TPS40210-Q1 and TPS40211-Q1 devices support a wide range of input voltages from 4.5 V to 52 V in a non-synchronous boost topology. The applications can also be expanded to flyback, SEPIC, and various LED driver applications. The current-mode control provides the advantages of improved transient response and ease of selecting compensation components. Other features of the device such as programmable soft start, overcurrent protection with automatic retry, and adjustable oscillator frequency using external components increase the versatility of TPS4021x-Q1 devices. The main difference between the TPS