| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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1,540 pcs
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1540 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Texas Instruments UCD3138ARJAT is a highly integrated digital power controller designed for isolated power supplies. This device features digital control of up to 3 independent feedback loops, utilizing a dedicated PID-based hardware controller for precise regulation. It supports configurable nonlinear control with 2-pole, 2-zero characteristics, along with soft-start and soft-stop functions.
Key electrical specifications include a fast input voltage feed-forward capability, hardware synchronous rectifier dead-time optimization, and an error analog-to-digital converter (EADC) operating up to 16 MHz with configurable resolution. The controller provides up to 8 high-resolution digital pulse width modulated (DPWM) outputs with 250 ps pulse width resolution and 4 ns frequency/phase resolution. It supports up to 2 MHz switching frequency and offers configurable feedback control modes including voltage, average current, peak current, constant current, and constant power.
The UCD3138ARJAT is housed in a 40-VQFN (6x6) package and is designed for surface mount applications. It operates within a temperature range of -40°C to 125°C. The device integrates a 31.25 MHz ARM7TDMI-S processor, 32 KB of program flash, and 2 KB of RAM, enabling complex control algorithms and fault protection.
This digital power controller is suitable for applications requiring high efficiency and robust performance, including advanced power management solutions. Its feature set supports efficient light load management through burst mode and ideal diode emulation.
| Qty | Low | High |
|---|---|---|
| 1+ | $7.57 | $7.57 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 2.1V.
The operating temperature range is -40°C to +125°C.
It comes in a 40-VFQFN exposed pad package (40-VQFN 6x6 mm).
It supports up to 8 high-resolution digital PWM outputs.
It uses a 31.25 MHz 32-bit ARM7TDMI-S processor.
The switching frequency is programmable up to 2 MHz.
Yes, it includes an internal temperature sensor.