TPS84620RUQR Integrated Circuit Chip 6A Step-Down Power Module 4.5V to 14.5V Input B1QFN 47-Pin

The TPS84620RUQR is a complete 6 A power solution that combines a synchronous step-down converter, the power MOSFETs, the inductor and the passives in a low-profile B1QFN package. It accepts 4.5 V to 14.5 V input and delivers an adjustable 1.2 V to 5.5 V output.

Because the magnetics, the compensation network and the passives are inside the module, only 3 external components are needed to finish a working design. Inductor selection and loop compensation are removed from the design cycle entirely.

Switching frequency is adjustable from 480 kHz to 780 kHz and can be synchronized to an external clock, which keeps beat frequencies out of sensitive measurement bands. Power good, precision enable, remote sense and tracking are provided for sequencing and margining.

The module is EMI tested and reaches up to 96 percent efficiency, so no external heat sink is required at rated load. Thermal performance is enhanced by the exposed thermal pad and the low-profile QFN construction, which also allows hand or machine soldering.

The TPS84620RUQR is RoHS compliant and lead free, and every order ships with full traceability. Samples and volume pricing are available on request.

• 6 A continuous output current
• Input voltage range 4.5 V to 14.5 V
• Adjustable output 1.2 V to 5.5 V
• Integrated shielded inductor and passives
• Only 3 external components required
• Switch frequency 480 kHz to 780 kHz, synchronizable to an external clock
• Current mode control with 100 percent duty cycle capability
• Power good output for supply monitoring
• Remote sense compensation at the load
• Tracking and precision enable for sequencing
• EMI tested, efficiency up to 96 percent
• No external heat sink required
• B1QFN package, 47 pins, hand or machine solderable
• RoHS compliant, lead free

• Point-of-load conversion from 5 V and 12 V rails
• DSP, FPGA and ASIC core supplies
• Industrial control and automation
• Telecom and datacom line cards
• Test and measurement instruments
• Medical and imaging equipment

Typical use is a compact 6 A point-of-load rail where inductor selection and loop compensation have to be avoided.

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