# Hi5000Q (Component) ## Description The Hi5000Q is a high-precision, flicker-free LED constant-current driver IC designed for buck, boost, and buck-boost LED lighting applications. It supports external MOSFET operation, making it suitable for high-power LED systems such as automotive lighting, medical lighting, photography lamps, desk lamps, and educational lighting. Key Features Wide input voltage range: 6.5V to 75V Supports buck, boost, and buck-boost topologies External MOSFET architecture for high current capability Up to 10A continuous output current High efficiency operation exceeding 95% Flicker-free LED dimming control Supports: 100:1 PWM-to-analog dimming 10,000:1 hybrid dimming 10:1 analog dimming Fixed switching frequency of 130kHz Very low standby power consumption Excellent load regulation accuracy (less than ±0.5%) Built-in soft-start function Undervoltage protection (UVLO) Output overvoltage protection (OVP) Cycle-by-cycle current limiting protection Available in QFN16 4x4mm package ## Component Details - **Owner:** adrian95 - **Created:** 5/7/2026 - **Last Updated:** 5/7/2026 - **Visibility:** Public - **Part Type:** Power Management - **Symbol Style:** parametric-v1 - **Manufacturer Name:** Hichips - **Manufacturer Part Number:** Hi5000Q - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://24090184.s21i.faiusr.com/61/ABUIABA9GAAg7IfMvQYogN3q3AM.pdf - **Used in:** 1 project - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **MPN:** Hi5000Q - **Package / Case Code:** TO - **Pin Count:** 17 - **Logic Function:** Monitor ## Pins | Pin | Name | Type | |-----|------|------| | 15 | VIN | | | 10 | VDD | | | 7 | COMP | | | 14 | GATE | | | 2 | UVLO | | | 8 | CLPF | | | 1 | ISENSEN | | | 16 | ISENSEP | | | 13 | CS | | | 9 | VFB | | | 12 | DIM | | | 3 | PWM | | | 11 | LD | | | 4 | GND | | | 5 | GND | | | 17 | GND | | | 6 | GND | | --- *Generated from [https://www.flux.ai/adrian95/hi5000q~png](https://www.flux.ai/adrian95/hi5000q~png)*