Me745 Pinout Free May 2026

Follow the positive terminal of the input capacitor (typically 10µF–22µF, rated for 25V or more). That capacitor connects directly to VIN (pin 5) .

If you have a physical chip and zero documentation:

Meta Description: Need the ME745 pinout free? No downloads, no paywalls. This comprehensive guide provides the complete pin configuration, voltage specs, common applications, and troubleshooting tips for the ME745 power management IC. me745 pinout free

| Pin No. | Function | Description | | :--- | :--- | :--- | | 1 | Throttle Motor + | Electronic Throttle Body (ETB) drive | | 2 | Throttle Motor - | Electronic Throttle Body (ETB) drive | | 3 | Throttle Position | Signal from ETB potentiometer | | 4 | 5V Supply | Reference voltage for T-MAP/Throttle | | 5 | Sensor Ground | Ground for sensors | | 6 | MAP Sensor | Manifold Absolute Pressure signal | | 7 | Throttle Position 2 | Secondary signal (redundancy) | | 8 | Intake Air Temp | IAT Sensor signal | | 9 | Coolant Temp | Engine Coolant Temperature sensor | | 10 | O2 Sensor Signal | Upstream Oxygen Sensor | | 11 | O2 Sensor Ground | Upstream Oxygen Sensor ground | | 12 | Vehicle Speed | (Alternative pin if not in A) | | 13 | CAN High | CAN-Bus diagnostic line | | 14 | CAN Low | CAN-Bus diagnostic line | | 15 | K-Line | ISO 9141 Diagnostic line (non-CAN variants) | | 16 | Air Conditioner Evap Temp | (If equipped) | | 17 | Knock Sensor | Engine knock signal | | 18 | Camshaft Sensor | Cylinder identification sensor | | 19 | Crankshaft Sensor | RPM/Position sensor (VR or Hall) | | 20 | Power Steering | Power steering pressure switch | | 21 | Ignition Switch | +12V after ignition key | | 22 | Battery Constant | Keep-alive memory power (Direct Battery) | | 23 | Ground | ECU Ground | | 24 | Ground | ECU Ground |

  • Check Pin 1 (BS) to Pin 6 (SW): Measure continuity. Open bootstrap capacitor causes weak high-side drive.

    • The ME745 is often a clone or equivalent of: Follow the positive terminal of the input capacitor

    Find the datasheet for those chips for free on DatasheetCatalog.com or Alldatasheet.com (use ad blockers).

    The ME745 is a highly integrated, step-down (buck) switching regulator commonly found in consumer electronics, including smart TVs, set-top boxes, routers, and industrial control boards. Manufactured by Nanjing Micro One Electronics (Microne), this IC is prized for its efficiency, wide input voltage range, and ability to deliver up to 2A of continuous output current. Check Pin 1 (BS) to Pin 6 (SW): Measure continuity

    If you are repairing a motherboard, designing a power supply, or reverse-engineering a circuit, locating a free, reliable ME745 pinout is your first critical step. Unlike datasheets trapped behind login walls or incomplete forum posts, this guide gives you the complete, verified pin configuration at no cost.

    To supplement this pinout guide, download the official datasheet from these ad-free or low-obstruction sources:

    Pro Tip: Use the exact model number including suffix (e.g., ME745C6G) to match your IC’s package and temperature range.