Home > Industry Information > Introduction To TDA21472AUMA1
The TDA21472AUMA1 is an integrated OptiMOS™ Powerstage developed by Infineon Technologies, belonging to the power management ICs category, specifically serving as full and half-bridge drivers with optimized performance and compact design.
Category:Integrated Circuits (ICs),Power Management (PMIC),Full, Half-Bridge (H Bridge) Drivers
Manufacturer:Infineon Technologies
Series:OptiMOS™ Powerstage
Packaging:Tape & Reel
Part Status:Active
Voltage - Supply:4.25V ~ 16V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:39-PowerVFQFN
Base Product Number:TDA21472
Integrated Packaging:It integrates a low quiescent-current synchronous buck gate-driver IC, Schottky diode, and high-side and low-side MOSFETs in one package, optimizing PCB layout and heat transfer.
Current Sensing:Equipped with 5mV/A on-chip MOSFET current sensing with temperature compensation, achieving higher current sensing accuracy than inductor DCR detection methods.
High Switching Frequency:Supports a maximum switching frequency of 1500 kHz, enabling high-performance transient response and reducing the required output inductor and capacitor sizes.
Comprehensive Protection:Features cycle-by-cycle overcurrent protection with programmable threshold, VCC/VDRV undervoltage lockout (UVLO), phase fault detection, thermal shutdown, and fault flags.
Power Saving:Includes a deep-sleep mode that significantly reduces power consumption when the multiphase system enters PS3/PS4 mode, along with auto-replenishment of the bootstrap capacitor to prevent over-discharging.
PWM Compatibility:Compatible with 3.3V tri-state PWM input, supporting body-braking load transient to adapt to different control scenarios.
RoHS Compliance:Adopts lead-free packaging that meets RoHS standards, suitable for environmentally friendly electronic product designs.
CPU Power Supply:Provides stable and efficient power for cutting-edge CPU cores in edge servers, meeting the low output voltage requirements of high-performance processors.
GPU Power Supply:Serves as a voltage regulator for GPU modules in high-performance computing equipment, ensuring efficient power delivery during heavy-load operation.
DDR Memory:Supplies power to DDR memory arrays in servers and high-end computing devices, matching the low-voltage and high-efficiency demands of memory modules.
48V IBC:Applied in 48V intermediate bus converters (IBC) in telecom infrastructure, realizing efficient voltage conversion and power distribution.
Telecom Infrastructure:Integrated into telecom base station power supply units, providing reliable and efficient power management for communication equipment.
The TDA21472AUMA1 is a high-performance, integrated power stage with comprehensive features and wide compatibility,ideally suited for various high-efficiency power management scenarios such as server, telecom, and automotive electronics, offering reliable and efficient solutions for modern electronic systems.
Industry Information
