The embodiment of the invention provides a full-bridge driving chip and a driving circuit. The full-bridge driving chip comprises a logic control module (1), a register (2) and a plurality of driving modules (3), the logic control module (1) is connected with the register (2), each driving module (3) comprises a pre-driving electricity collection pump (31), a high-side switch (32) and a low-side switch (33), the pre-driving electricity collection pump (31) is connected with the high-side switch (32), the high-side switch (32) is connected with the low-side switch (33), the logic control module (1) is connected with the pre-driving electricity collection pump (31), and the register (2) is connected with the logic control module (1). The logic control module (1) is connected with the low-side switch (33), the high-side switch (32) is connected with an input power supply Vcc, and the low-side switch (33) is grounded. In the technical scheme provided by the embodiment of the invention, the full-bridge driving chip integrates the functions of a half-bridge driving chip, a high-side switch chip and a low-side switch chip, the circuit complexity is reduced, and the circuit application flexibility is improved.
本发明实施例提供了一种全桥驱动芯片和驱动电路。该全桥驱动芯片包括:逻辑控制模块(1)、寄存器(2)、多个驱动模块(3),逻辑控制模块(1)与寄存器(2)连接,其中,驱动模块(3)包括预驱动集电泵(31)、高侧开关(32)和低侧开关(33),预驱动集电泵(31)与高侧开关(32)连接,高侧开关(32)与低侧开关(33)连接,逻辑控制模块(1)与预驱动集电泵(31)连接,逻辑控制模块(1)与低侧开关(33)连接,高侧开关(32)与输入电源Vcc连接,低侧开关(33)接地。本发明实施例提供的技术方案中,该全桥驱动芯片集成了半桥驱动芯片、高侧开关芯片和低侧开关芯片的功能,降低了电路复杂度,提高了电路应用的灵活性。
Full-bridge driving chip and driving circuit
一种全桥驱动芯片和驱动电路
2023-11-28
Patent
Electronic Resource
Chinese
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