01 / 01

SD55127

Category: Leakage-protection circuits
Keywords: Circuit board, SD55127
Description: SD55127 is a high-performance CMOS circuit dedicated to ground-fault protection. It integrates a regulated power supply, amplifier, comparator, delay, counter, trip control, and trip driver. External components include a trip coil, varistor, zener diode, diode, resistor, and capacitor.
Package: SOP14

Key parameters

Description: A leakage-protection dedicated IC with a delay function.
Applications: Type A high-speed earth leakage protector
Operating Current (Max): 5mA
Latch time (Ton): 20ms(Min)
Package: SOP14

Overview

SD55127 is a high-performance CMOS leakage-protection dedicated IC. The chip integrates a voltage reference, amplifier, comparator, timing circuit, output circuit, and gate-control circuit. Applications include lithium-battery protection, overvoltage protection, undervoltage protection, overcurrent protection, short-circuit protection, and battery-cell protection. Available in an SOP14 package.

TECHNICAL DOCUMENTS

Request the SD55127 datasheet

Our sales team provides product documentation on request. Share your application needs and contact details so we can confirm the appropriate version.

Request product information

PRODUCT INQUIRY

Product inquiry

Email us Call us 400-8000-900

View contact details