Pulse current driver chip and device

The utility model provides a pair of pulse current driver chip and device is applied to and swashs optical module, pulse current driver chip with it connects to swash optical module, pulse current driver chip includes: a comparator unit, the 2nd comparator unit and logic control unit, wherein, a comparator unit's output with logic control unit's first input end is connected, the 2nd comparator unit's output with logic control unit's second input is connected. The device includes: current -limiting circuit, DCDC circuit, bleeder circuit, pulse circuit and the chip, the DCDC circuit the current-limiting circuit bleeder circuit and pulse circuit respectively with pulse current driver chip connects, the DCDC circuit with current -limiting circuit connection, bleeder circuit with pulse circuitconnects. The utility model discloses can for sharp optical module provides great current drive power. 本实用新型提供的种脉冲电流驱动芯片及装置，应用于激光模组，所述脉冲电流驱动芯片与所述激光模组连接，所述脉冲电流驱动芯片包括：第比较器单元、第二比较器单元以及逻辑控制单元，其中，所述第比较器单元的输出端与所述逻辑控制单元的第输入端连接，所述第二比