TDA16846GGEGHUMA1

TDA16846GGEGHUMA1 Datasheet

TDA 16846/16846-2 TDA 16847/16847-2

Part	Datasheet
TDA16846GGEGHUMA1	TDA16846GGEGHUMA1 (pdf)

Related Parts	Information
TDA16847-2	TDA16847-2
TDA16847	TDA16847
TDA168462GGEGHUMA1	TDA168462GGEGHUMA1
TDA168462HKLA1	TDA168462HKLA1
TDA16846HKLA1	TDA16846HKLA1

PDF Datasheet Preview
Datasheet, V2.0, 31 July 2003 PWM-QR IC TDA 16846/16846-2 TDA 16847/16847-2 Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Power Management & Supply Never stop thinking. TDA 16846/TDA 16846-2/TDA 16847/TDA 16847 Current Version 2003-07-31 Previous Version Data Sheet TDA 16846 2000-01-14 Previous Version Data Sheet TDA 16846-2 2002-07-30 Page in previous Version 20 Page in current Version 20 The data sheets for TDA 16846 and TDA 16846-2 have been combined in this version. Some measuring values are updated: Pin 1 basic value 1 V1B1 and V1B2 slightly changed. Pin 2 discharge current I2DC min changed from mA to mA. Pin 14 overvoltage V14OVmax threshold changed from V to V. Pin 3 delay to switch on t3d slightly decreased. Pin 4 charge current I4ch and discharge current I4DCH added. Pull high resistor R1min changed from 18kOhm to 15 kOhm according to the data sheet for TDA Pin 7 charge current I7 min and upper threshold V7Hmin small changed. Pin 13 rise and fall time adapted according to C13= 1nF prev. 10 nF . V13aclow slightly decreased only TDA 16846-2, TDA TDA 16846-2/TDA 16847-2 Improvements of TDA 16846-2/TDA16847-2 compared with TDA 16846/TDA16847 Pin 5 Expanded input voltage range down to zero, series resistor between pin 5 and ground is no longer necessary. Pin 7 Improved startup to prevent the transformer from saturation also in fixed frequency and synchronized mode. Pin 11 Noise-immunity improved by spike blanking. Pin 13 Reduced output voltage level for off state. Pin 14 Noise-immunity improved by spike blanking. Edition Published by Infineon Technologies AG St.-Martin-Strasse 53 D-81541 München Infineon Technologies AG 2003 All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologiesis an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide. Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Correction Overview TDA 16846/16846-2 TDA 16847/16847-2 Ordering Code Q67000-A9377 Q67000-A9378 Q67006-A9430 Q67006-A9412 Q67040-S4494 Q67040-S4496 Q67040-S4495 Q67040-S4497 Package P-DIP-14-3 P-DIP-14-3 P-DSO-14-3 P-DSO-14-3 P-DIP-14-3 P-DIP-14-3 P-DSO-14-3 P-DSO-14-3 The TDA 16846-2 this name is used in the description for all types is optimized to control free running or fixed frequency flyback converters with or without Power Factor Correction Current Pump . To provide low power consumption at light loads, this device reduces the switching frequency in small steps with load, towards an adjustable minimum e. g. 20 kHz in standby mode . Additionally, the startup current is very low. To avoid switching stress on the power devices, the power transistor is always switched on at minimum voltage. A special circuit is implemented to avoid jitter. The device has Version 31 Jul 2003 TDA 16846/16846-2 TDA 16847/16847-2 several protection functions VCC over- and undervoltage, mains undervoltage, current limiting and 2 free usable fault comparators. Regulation can be done by using the internal error amplifier or an opto coupler feedback additional input . The output driver is ideally suited for driving a power MOSFET. Fixed frequency and synchronized operation are also possible. The TDA 16846-2 is suited for TV-, VCR- sets, SAT receivers and other sets for consumer electronics. It also can be used in PC monitors. The TDA 16847-2 is identical with TDA 16846-2 but has an additional power measurement output pin 8 which can be used as a Temporary High Power Circuit. Figure 1 Pin Configuration top view Pin Definitions and Functions Pin Symbol Function Off Time Circuit Primary Current Simulation Regulation and Zero Crossing Input Soft-Start and Regulation Capacitor Opto Coupler Input Fault Comparator 2 Synchronization Input N.C./PMO Not Connected TDA 16846-2 / PMO TDA 16847-2 Reference Voltage and Current 10 FC1 Fault Comparator 1 11 PVC Primary Voltage Check 12 GND Ground 13 OUT Output 14 VCC Supply Voltage Version 31 Jul 2003 TDA 16846/16846-2 TDA 16847/16847-2 Short Description of the Pin Functions Function A parallel RC-circuit between this pin and ground determines the ringing suppression time and the standby-frequency. A capacitor between this pin and ground and a resistor between this pin and the positive terminal of the primary electrolytic capacitor quantifies the max.

PDF Datasheet Preview

Datasheet, V2.0, 31 July 2003

PWM-QR IC

TDA 16846/16846-2 TDA 16847/16847-2

Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Power Management & Supply

Never stop thinking.

TDA 16846/TDA 16846-2/TDA 16847/TDA 16847

Current Version 2003-07-31

Previous Version Data Sheet TDA 16846 2000-01-14 Previous Version Data Sheet TDA 16846-2 2002-07-30

Page in previous Version 20

Page in current Version 20

The data sheets for TDA 16846 and TDA 16846-2 have been
combined in this version. Some measuring values are updated:

Pin 1 basic value 1 V1B1 and V1B2 slightly changed. Pin 2 discharge current I2DC min changed from mA to mA. Pin 14 overvoltage V14OVmax threshold changed from V to V. Pin 3 delay to switch on t3d slightly decreased. Pin 4 charge current I4ch and discharge current I4DCH added. Pull high resistor R1min changed from 18kOhm to 15 kOhm according
to the data sheet for TDA

Pin 7 charge current I7 min and upper threshold V7Hmin small changed. Pin 13 rise and fall time adapted according to C13= 1nF prev. 10 nF . V13aclow slightly decreased only TDA 16846-2, TDA

TDA 16846-2/TDA 16847-2 Improvements of TDA 16846-2/TDA16847-2 compared with TDA 16846/TDA16847

Pin 5

Expanded input voltage range down to zero, series resistor between
pin 5 and ground is no longer necessary.

Pin 7

Improved startup to prevent the transformer from saturation also in fixed frequency and synchronized mode.

Pin 11

Noise-immunity improved by spike blanking.

Pin 13

Reduced output voltage level for off state.

Pin 14

Noise-immunity improved by spike blanking.

Edition

Published by Infineon Technologies AG St.-Martin-Strasse 53 D-81541 München

Infineon Technologies AG 2003

All Rights Reserved.

Attention please!

The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologiesis an approved CECC manufacturer.

Information

For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide.

Warnings

Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office.

Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Correction

Overview

TDA 16846/16846-2 TDA 16847/16847-2
Ordering Code Q67000-A9377 Q67000-A9378 Q67006-A9430 Q67006-A9412 Q67040-S4494 Q67040-S4496 Q67040-S4495 Q67040-S4497

Package P-DIP-14-3 P-DIP-14-3 P-DSO-14-3 P-DSO-14-3 P-DIP-14-3 P-DIP-14-3 P-DSO-14-3 P-DSO-14-3

The TDA 16846-2 this name is used in the description for all types is optimized to control free running or fixed frequency flyback converters with or without Power Factor Correction Current Pump . To provide low power consumption at light loads, this device reduces the switching frequency in small steps with load, towards an adjustable minimum e. g. 20 kHz in standby mode . Additionally, the startup current is very low. To avoid switching stress on the power devices, the power transistor is always switched on at minimum voltage. A special circuit is implemented to avoid jitter. The device has

Version
31 Jul 2003

TDA 16846/16846-2 TDA 16847/16847-2
several protection functions VCC over- and undervoltage, mains undervoltage, current
limiting and 2 free usable fault comparators. Regulation can be done by using the internal error amplifier or an opto coupler feedback additional input . The output driver is ideally suited for driving a power MOSFET. Fixed frequency and synchronized operation are also possible. The TDA 16846-2 is suited for TV-, VCR- sets, SAT receivers and other sets for consumer electronics. It also can be used in PC monitors. The TDA 16847-2 is identical with TDA 16846-2 but has an additional power measurement output pin 8 which can be used as a Temporary High Power Circuit.

Figure 1 Pin Configuration top view

Pin Definitions and Functions

Pin Symbol

Function

Off Time Circuit

Primary Current Simulation

Regulation and Zero Crossing Input

Soft-Start and Regulation Capacitor

Opto Coupler Input

Fault Comparator 2

Synchronization Input

N.C./PMO

Not Connected TDA 16846-2 / PMO TDA 16847-2

Reference Voltage and Current
10 FC1

Fault Comparator 1
11 PVC

Primary Voltage Check
12 GND

Ground
13 OUT

Output
14 VCC

Supply Voltage

Version
31 Jul 2003

TDA 16846/16846-2 TDA 16847/16847-2

Short Description of the Pin Functions

Function

A parallel RC-circuit between this pin and ground determines the ringing
suppression time and the standby-frequency.

A capacitor between this pin and ground and a resistor between this pin and
the positive terminal of the primary electrolytic capacitor quantifies the max.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived TDA16846GGEGHUMA1 Datasheet file may be downloaded here without warranties.

Datasheet ID: TDA16846GGEGHUMA1 638690