PLM5122ZAPWPT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
PLM5122ZAPWPT is a wide-input current-mode synchronous boost controller from Texas Instruments supporting 3 V to 65 V input with multiphase capability. It drives external synchronous FETs for high-efficiency step-up conversion in demanding power applications. Available in stock worldwide for industrial, automotive, and telecom high-voltage boost converter designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 25
- Lifecycle
- OBSOLETE
- Datasheet
- PLM5122ZAPWPT Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PLM5122ZAPWPT?
- Ultra-wide 3 V to 65 V input voltage range covering automotive 12 V/24 V, industrial 48 V, and battery backup system boost applications
- Current-mode control with synchronous rectification support for high-efficiency operation and simplified compensation across the full 3 V to 65 V input span
- Multiphase capability for interleaved boost stages, reducing input and output ripple current and enabling higher total power without paralleling single-phase controllers
What is PLM5122ZAPWPT used for?
PLM5122ZAPWPT is designed for industrial and automotive boost converter stages that must step up from a wide input range such as a 12 V automotive battery, a 24 V industrial bus, or a 48 V telecom supply to higher output voltages. Its multiphase architecture makes it suitable for high-power LED drivers, motor pre-boost stages, and UPS front-end converters requiring interleaved switching to minimize ripple. The 65 V input rating also accommodates transient-heavy environments such as cold-crank automotive and load-dump events.
What are the specifications of PLM5122ZAPWPT?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the PLM5122ZAPWPT datasheet?
PLM5122ZAPWPT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PLM5122ZAPWPT?
Compatible alternatives and drop-in replacements for PLM5122ZAPWPT:
Switching Controller, Current-mode, 20A, 1000kHz Switching Freq-Max, BICMOS, PDSO24
Frequently Asked Questions
What input voltage range does PLM5122ZAPWPT support, and which supply bus voltages does this span cover?
PLM5122ZAPWPT operates from 3 V to 65 V input, covering 12 V automotive lead-acid batteries, 24 V industrial DC bus rails, and 48 V telecom power architectures in a single controller. This eliminates the need for different controller variants across product families and simplifies inventory management for multi-platform power supply designs.
How does PLM5122ZAPWPT reduce output ripple in a high-power boost stage compared to a single-phase design?
PLM5122ZAPWPT supports multiphase operation by running 2 or more interleaved boost phases with switching events offset by 180 degrees or more. For a 2-phase design at 200 kHz per phase, the effective ripple frequency seen by the output capacitor doubles to 400 kHz, reducing peak-to-peak output voltage ripple by up to 50% and cutting required output capacitance for a given ripple specification.
For an automotive pre-boost design during cold-crank, how does PLM5122ZAPWPT handle input voltage drops below 6 V?
PLM5122ZAPWPT's 3 V minimum input voltage allows operation through deep cold-crank events where a 12 V automotive battery can sag below 6 V for several hundred milliseconds. The current-mode control loop responds quickly to the input droop, adjusting duty cycle to maintain regulated output, while the synchronous FET drive ensures efficient conversion even at these low input levels with reduced conduction losses.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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