Overview
The TPS40210QDGQRQ1, produced by Texas Instruments, is a 4.5-V to 52-V input, current-mode boost controller. This device is designed for various power conversion topologies, including boost, flyback, SEPIC, and LED driver applications. It is particularly suited for systems requiring a grounded source N-channel FET. The TPS40210QDGQRQ1 is known for its wide input voltage range, making it versatile for a variety of applications. It is also qualified for automotive use, meeting AEC-Q100 standards with a device temperature grade of -40°C to 125°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage (VDD) | - | -0.3 | - | 52 | V |
| Operating Junction Temperature (TJ) | - | -40 | - | 125 | °C |
| Feedback Voltage Range (VFB) | 4.5 ≤ VDD ≤ 52 V, TJ = 25°C | 693 | 700 | 707 | mV |
| Operating Current (IDD) | 4.5 ≤ VDD ≤ 52 V, no switching | 1.5 | 2.5 | - | mA |
| Turn-on Threshold Voltage (VUVLO(on)) | - | 4 | 4.25 | 4.5 | V |
| Gate Driver Source Current (IGDRV(src)) | VGDRV = 4 V, TJ = 25°C | 375 | 400 | - | mA |
| Current Sense Amplifier Gain (ACS) | - | 4.2 | 5.6 | 7.2 | V/V |
Key Features
- Wide Input Operating Voltage: 4.5 V to 52 V.
- Current-Mode Control: Provides improved transient response and simplified loop compensation.
- Programmable Soft Start: Allows for controlled startup of the converter.
- Overcurrent Protection: With automatic retry, ensuring robust operation under fault conditions.
- Adjustable Oscillator Frequency: Enables customization of the switching frequency.
- Internal Slope Compensation: Helps in stabilizing the control loop.
- Integrated Low-Side Driver: Simplifies the design by integrating the driver within the controller.
- External Synchronization Capable: Allows synchronization with an external clock signal.
- Functional Safety-Capable: Documentation available to aid in functional safety system design.
- Low Current Disable Function: Reduces power consumption when the controller is disabled).
Applications
- Boost Converters: Suitable for boost topology applications requiring a grounded source N-channel FET).
- Flyback Converters: Can be used in flyback converter designs for efficient power conversion).
- SEPIC Converters: Applicable in SEPIC (Single-Ended Primary-Inductor Converter) topologies).
- LED Drivers: Ideal for driving LEDs in various lighting applications).
- Automotive Systems: Qualified for automotive use, meeting AEC-Q100 standards).
Q & A
- What is the input voltage range of the TPS40210QDGQRQ1?
The input voltage range is from 4.5 V to 52 V).
- What are the primary applications of the TPS40210QDGQRQ1?
The primary applications include boost, flyback, SEPIC, and LED driver applications).
- Does the TPS40210QDGQRQ1 support external synchronization?
Yes, it is capable of external synchronization).
- What is the operating junction temperature range of the TPS40210QDGQRQ1?
The operating junction temperature range is from -40°C to 125°C).
- Is the TPS40210QDGQRQ1 qualified for automotive use?
Yes, it is AEC-Q100 qualified).
- What is the feedback voltage range for the TPS40210QDGQRQ1?
The feedback voltage range is 693 mV to 707 mV at 25°C).
- Does the TPS40210QDGQRQ1 have overcurrent protection?
Yes, it features overcurrent protection with automatic retry).
- Can the oscillator frequency be adjusted in the TPS40210QDGQRQ1?
Yes, the oscillator frequency is adjustable).
- What is the gate driver source current of the TPS40210QDGQRQ1?
The gate driver source current is 375 mA to 400 mA at VGDRV = 4 V and TJ = 25°C).
- Does the TPS40210QDGQRQ1 have a low current disable function?
Yes, it features a low current disable function to reduce power consumption when disabled).
