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The integrated 36V, 4A DC/DC solution combines power MosFETs, shielded inductors, and passivity

Apr 12 2023 2023-04 Semiconductors Texas Instruments
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The Texas Instruments TPSM63604 Synchronous Stepdown Power Module is a highly integrated 36V, 4A DC/DC solution that combines power MosFEts, shielded inductors and passives in the enhanced HotRod QFN package. The module has V(IN) and V(OUT) pins located at the corners of the package to optimize input and output capacitance placement.

The Texas Instruments TPSM63604 Synchronous Stepdown Power Module is a highly integrated 36V, 4A DC/DC solution that combines power MosFEts, shielded inductors and passives in the enhanced HotRod QFN package. The module has V(IN) and V(OUT) pins located at the corners of the package to optimize input and output capacitance placement. Four larger heat pads below the module make the layout simple and easy to operate in manufacturing.

 

With output voltages ranging from 1V to 16V, TI TPSM63604 enables fast and easy low EMI designs in small PCB footprint. The overall solution requires only four external components and eliminates the choice of magnetic and compensating parts in the design process.

 

The TPSM63604 module, while designed for small size and simplicity in space-constrained applications, offers many robust performance features: precision support for adjustable input voltage UVLO lag, resistance programmable switching node turn rate, improved EMI, integrated V(CC), power-up, and input capacitance, improved reliability and higher density, Constant switching frequency over full load current range, negative output voltage capability, and a PGOOD indicator for sequencing, fail-safe, and output voltage monitoring

 

Features

● Functional Safety-Capable

-   Documents can be provided to assist in functional security system design

● Multifunctional 36V(IN), 4A(OUT) synchronous step-down module

-   Integrated mosfet, inductor and controller

-   Adjustable output voltage from 1V to 16V

-   5.0mm x 5.5mm x 4mm over-mold package

-   The junction temperature ranges from -40°C to 125°C

-   Frequencies are available from 200kHz to 2.2MHz

-   Negative output voltage capability

● Ultra-high efficiency in full load range

-   95% + maximum efficiency

-   External bias selection to improve efficiency

-   Shutdown static current 0.6µA(typical)

-   Typical exit voltage of 0.5V at 4A load

● EMI signals of ultra-low conductivity and radiation

-   Low noise package with dual input path and integrated capacitor reduces switching ringing

-   Switch node switching rate with adjustable resistance

-   Comply with CISPR 11 and 32 Class B emissions

● Suitable for expandable power supply

-   Pin compatible TPSM63606 (36V, 6A)

● Inherent protection features, rugged design

-   Accurate enable input and open PGOOD indicators for sequencing, control, and VIN UVLO

-   Overcurrent and thermal shutdown protection

 

Applications

● Test and measurement, Aerospace and Defense

● Factory automation and control

● Step-down and step-down booster power supplies

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