TEA1532BT: GreenChip™II SMPS control IC ARCHIVED

Overview

The GreenChip II is the second generation of controller ICs intended for green flyback Switched Mode Power Supplies (SMPS). Its high level of integration allows the design of a cost effective power supply with a very low number of external components. The TEA1532BT; TEA1532CT can also be used in fixed frequency, Continuous Conduction Mode (CCM) converter designs for low voltage and high current applications. At low power (standby) levels the system operates in cycle skipping mode which minimizes the switching losses during standby.

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Features

Universal mains supply operation (70 V to 276 V AC)
High level of integration, resulting in a very low external component count
Fixed frequency Continuous Conduction Mode (CCM) operation capability
Quasi-Resonant (QR) Discontinuous Conduction Mode (DCM) operation capability
Valley or zero voltage switching for minimum switching losses in QR operation
Cycle skipping mode at very low loads
On-chip start-up current source
Safe restart mode for system fault conditions
Zero current switch-on in QR mode
Undervoltage protection (foldback during overload)
IC OverTemperature Protection (OTP) (latched)
Low and adjustable OverCurrent Protection (OCP) trip level
Soft (re)start
Mains voltage-dependent operation-enabling level
Brown-out protection
General purpose input for latched protection and timing

Target Applications

Adapters and open frame flyback power supplies

MoreLess

Features

Universal mains supply operation (70 V to 276 V AC)
High level of integration, resulting in a very low external component count
Fixed frequency Continuous Conduction Mode (CCM) operation capability
Quasi-Resonant (QR) Discontinuous Conduction Mode (DCM) operation capability
Valley or zero voltage switching for minimum switching losses in QR operation
Cycle skipping mode at very low loads
On-chip start-up current source
Safe restart mode for system fault conditions
Zero current switch-on in QR mode
Undervoltage protection (foldback during overload)
IC OverTemperature Protection (OTP) (latched)
Low and adjustable OverCurrent Protection (OCP) trip level
Soft (re)start
Mains voltage-dependent operation-enabling level
Brown-out protection
General purpose input for latched protection and timing

Target Applications

Adapters and open frame flyback power supplies

S08 Package

S08 Package

S08 Package

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