芯片揭秘】高压半桥驱动如何从源头杜绝炸机？CXHB6556D防直通机制全动态解析！

The CXHB6555 CXHB6556A CXHB6556B CXHB6557 is a high voltage, high speed power MOSFET and IGBT driver based on P_SUB P_EPI process. The floating channel driver can be used to drive two N-channel power MOSFET or IGBT independently which operates up to 120 V. Logic inputs are compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross -conduction. Propagation delays are matched to simplify use in high frequency applications. It has two versions CXHB6555 CXHB6556A CXHB6556B CXHB6557

【芯片揭秘】高压半桥驱动如何从源头杜绝炸机？CXHB6556D防直通机制全动态解析！

#硬件工程师 #电机驱动 #MOSFET #电源设计 #芯片 #电路保护 
⛔ 问题：自己搭半桥电路，最怕上下管直通，瞬间过流烧芯片？
✅ 方案：本期通过高清动态原理图，拆解一颗高压半桥驱动芯片CXHB6556D的“防直通”核心设计——内置死区时间控制。
你将看到： 
1. 高/低边信号如何安全切换（动画演示）
2. 纳秒级死区时间如何强制插入（波形分析）
3. 1A强驱动如何降低开关损耗（电流路径展示） 需要芯片数据手册、参考设计或样片申请？ 
欢迎在评论区留言“驱动芯片”，或访问官网：jtm-ic.com #技术宅 #电子制作 #驱动芯片 #半桥 #国产芯片

 产品概述 

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The CXHB6556D is a high voltage , high speed power MOSFET driver with independent high and low side
referenced output channels based on P_SUB P_EPI process. The floating channel can be used to drive an N-
channel  power  MOSFET  in the high side configuration   which  operates  up to 200 V. Logic  inputs  are
compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse
current buffer stage designed for minimum driver cross-conduction.
The CXHB6555 CXHB6556A CXHB6556B CXHB6557 is a high voltage, high speed power MOSFET and IGBT driver based on P_SUB P_EPI process. The floating channel driver can be used to drive two N-channel power MOSFET or IGBT independently which operates up to 120 V. Logic inputs are compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross -conduction. Propagation delays are matched to simplify use in high frequency applications. It has two versions CXHB6555 CXHB6556A CXHB6556B CXHB6557

   产品特点

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CXHB6556D
   Fully operational to +200 V
   3.3 V input logic compatible  
   dV/dt Immunity ±50 V/nsec
   Gate drive supply range from 6 V to 18 V
   Typically Source / Sink current capability 1 A/1 A 
   Typically -9 V negative Vs bias capability
CXHB6555 CXHB6556A CXHB6556B CXHB6557
z Fully operational to +120 V 

z 3.3 V logic compatible 

z Floating channel designed for bootstrap operation 

z Gate drive supply range from 10 V to 20 V 

z Output Source / Sink Current Capability 450mA / 900mA 

z Independent Logic Inputs to Accommodate All Topologies 

z -5V negative Vs ability 

z Matched propagation delay for both channels

   应用范围

z Small and medium- power motor driver 

z Power MOSFET or IGBT driver

   技术规格书（产品PDF)  

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     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

 

产品封装图 

电路原理图 

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相关芯片选择指南 

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半桥驱动Half-Bridge Driver
Product	Character	VOFFSET (max)	IO+ /-(typ.)	Vin	Ton /Off(typ.)	Deadtime (typ.)	OUT  phase	Package	Cross reference
CXHB6555	Low side driver	30V	500/900mA	10V~30V	350&240ns	-	OUT out  of phase with   IN	SOT23-6	-
CXHB6556A	High and low side driver	120V	450/900mA	5V~20V	65&65ns	-	LO/HO in phase with   LIN/HIN	SOP8	-
CXHB6556B	High and low side driver	120V	450/900mA	5V~20V	65&65ns	-	LO out of phase with   LIN	SOP8	-
CXHB6557	High and low side driver	600V	300/600mA	10V~20V	160&150ns	-	LO/HO in phase with   LIN/HIN	SOP8	2101
CXHB6558	Half-Bridge driver	600V	300/600mA	10V~20V	680&150ns	520ns	LO out of phase with   LIN	SOP8	2103
CXHB6559	Half-Bridge driver	600V	200/400mA	10V~20V	680&150ns	520ns	LO out of phase with   IN HO in phase with IN	SOP8	IR2104
CXHB6560B	High and low side driver	600V	400/900mA	10V~20V	160&150ns	100ns	LO/HO in phase with   LIN/HIN	SOP8	5106B
CXHB6561	Half-Bridge driver	600V	200/400mA	10V~20V	750&200ns	540ns-5000ns	LO out of phase with   IN HO in phase with IN	SOP8 SOP14	IR2109
CXHB6562	Half-Bridge driver	600V	450/1000mA	10V~20V	220&200ns	540ns	LO/HO in phase with   LIN/HIN	SOP8	2308
CXHB6563	High and low side driver	600V	3.0/4.0A	10V~20V	170&150ns	-	LO/HO in phase with   LIN/HIN	SOP16/DIP14	Mar-10
CXHB6564	3-Phase Bridge driver	600V	300/600mA	10V~20V	540&540ns	300ns	LO1,2,3/HO1,2,3 out   of phase with LIN1,2,3/HIN1,2,	SOP28	2136
CXHB6565	High and low side driver	600V	2.0/3.0A	10V~20V	180&220ns	-	LO/HO in phase with   LIN/HIN	SOP8	IR2181
CXHB6566	High and low side driver	600V	2.0/3.0A	10V~20V	680&270ns	540ns-5000ns	LO out of phase with   IN HO in phase with IN	SOP8 SOP14	IR2184