Overview
The TDA21470 from Infineon Technologies is a high-reliability power driver IC, specifically designed for gate and power driver applications. Introduced on March 15, 2016, this component is part of Infineon's integrated power stage family, which combines advanced low-voltage MOSFET technology with the latest driver design. This integration is housed in a compact PQFN package, making it highly efficient and suitable for various high-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | PQFN-39 |
| Input Voltage Range | 4.25 V to 16 V |
| Output Voltage Range | 0.25 V to 5.5 V |
| Output Current Capability | Up to 70 A |
| Switching Frequency | Up to 1.5 MHz |
| Peak Efficiency | > 95% |
| ICC (Quiescent Current) | 2.5 mA, < 200 µA in deep sleep mode |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead-Free Status | Yes |
Key Features
- Highly accurate current reporting through internal MOSFET RDS(on) current sensing with dedicated Kelvin GND connection and integrated temperature compensation.
- Programmable constant current limit (OCSET) allowing users to set a specific current limit.
- Cycle-by-cycle overcurrent protection with programmable threshold and fault flag.
- UVLO (Under Voltage Lock Out) protection for stable operation during system startup.
- Fast switching technology for improved performance at higher frequencies.
- Compact 5x6x0.9 mm³ overmolded PQFN package with 0.45 mm pitch.
Applications
The TDA21470 is optimized for power delivery in various high-power applications, including:
- Server and storage systems.
- Telecom and datacom equipment.
- CPU core, GPU, and DDR memory power delivery.
Q & A
- What is the TDA21470?
The TDA21470 is a high-reliability power driver IC from Infineon Technologies, designed for gate and power driver applications.
- What is the input voltage range of the TDA21470?
The input voltage range is from 4.25 V to 16 V.
- What is the maximum output current capability of the TDA21470?
The maximum output current capability is up to 70 A.
- What is the switching frequency of the TDA21470?
The switching frequency can be up to 1.5 MHz.
- Does the TDA21470 have overcurrent protection?
Yes, it features cycle-by-cycle overcurrent protection with a programmable threshold and fault flag.
- What is the package type of the TDA21470?
The package type is PQFN-39.
- Is the TDA21470 lead-free?
Yes, the TDA21470 is lead-free and compliant with RoHS regulations.
- What are the primary applications of the TDA21470?
The primary applications include server and storage systems, telecom and datacom equipment, and power delivery for CPU core, GPU, and DDR memory.
- What is the peak efficiency of the TDA21470?
The peak efficiency is greater than 95%.
- Does the TDA21470 have UVLO protection?
Yes, it includes UVLO protection for stable operation during system startup.
