UCC21225A Texas instruments

UCC21225A

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UCC21225A

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Описание

The UCC21225A is an isolated dual-channel gate driver with 4-A source and 6-A sink peak current in a 5-mm x 5-mm LGA-13 package. It is designed to drive power transistors up to 5-MHz with best-in-class propagation delay and pulse-width distortion. The input side is isolated from the two output drivers by a 2.5-kVRMS isolation barrier, with 100-V/ns minimum common-mode transient immunity (CMTI). Internal functional isolation between the two secondary side drivers allows working voltage up to 700-VDC.This driver can be configured as two low-side, two high-side, or a half-bridge driver with programmable dead time (DT). A disable pin shuts down both outputs simultaneously when it is set high, and allows normal operation when left open or grounded.The device accepts VDD supply voltages up to 25-V. A wide input VCCI range from 3-V to 18-V makes the driver suitable for interfacing with both analog and digital controllers. All the supply voltage pins have under voltage lock-out (UVLO) protection. With all these advanced features, the UCC21225A enables high power density, high efficiency, and robustness in a wide variety of power applications.

Universal: Dual Low-Side, Dual High-Side or Half-Bridge Driver
5 x 5 mm, Space-Saving LGA-13 Package
Switching Parameters:
- 19-ns Typical Propagation Delay
- 5-ns Maximum Delay Matching
- 6-ns Maximum Pulse-Width Distortion
CMTI Greater than 100-V/ns
4-A Peak Source, 6-A Peak Sink Output
TTL and CMOS Compatible Inputs
3-V to 18-V Input VCCI Range
Up to 25-V VDD with 5-V UVLO
Programmable Overlap and Dead Time
Rejects Input Transients Shorter than 5-ns
Fast Disable for Power Sequencing
Safety-Related Certifications:
- 3535-V_PK Isolation per DIN V VDE V 0884-11:2017-01
- 2500-V_RMS Isolation for 1 Minute per UL 1577
- CQC per GB4943.1-2011 (Planned)

Number of channels	2
Isolation rating	Functional
Withstand isolation voltage (VISO) (Vrms)	2500
Transient isolation voltage (VIOTM) (VPK)	3535
Power switch	GaNFET, MOSFET
Peak output current (A)	6
Features	Disable, Programmable dead time
Output VCC/VDD (max) (V)	25
Output VCC/VDD (min) (V)	6.5
Input VCC (min) (V)	3
Input VCC (max) (V)	18
Propagation delay time (µs)	0.019
Input threshold	CMOS, TTL
Operating temperature range (°C)	-40 to 125
Rating	Catalog
Bus voltage (max) (V)	792
Rise time (ns)	6
Fall time (ns)	7
Undervoltage lockout (typ) (V)	5