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LM74502DDFR Breakout
HIGH SIDE SWITCH CONTROLLER 3.2-65V TSOT-23-8
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Low-IQ high-side switch controller with integrated charge pump for driving external N-channel MOSFETs. Supports 3.2V to 65V input with -65V reverse polarity protection and programmable overvoltage/undervoltage detection. Ideal for industrial load switching, motor drives, and DC bus protection in 12V, 24V, and 48V systems.
Package: TSOT-23-8 · 8 pins
Why does this need a breakout?
The 0.95mm pin pitch and compact footprint make hand-soldering extremely difficult and breadboard incompatible. A breakout board brings all eight pins to standard headers, enabling reliable prototyping of precision analog ICs like DACs, op-amps, and current-sense amplifiers without specialized soldering equipment.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | LM74502DDFR |
| Package | TSOT-23-8 |
| Pin Count | 8 |
| Current - Output (Max) | 2.37A |
| Current - Supply | 45 µA |
| Type | N+1 ORing Controller |
| Voltage - Supply | 3.2V ~ 65V |
What's Included
BILL OF MATERIALS
- 1x LM74502DDFR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS