IC manufacturers Infineon Technologies

IC manufacturers (99)

Infineon Technologies IRS20957S

Protected Digital Audio Driver with Floating PWM input in a 16-Lead SOIC Narrow Package

Overview

TopologyHalf-Bridge Converter symmetrical isolated
Switching frequency800 kHz
IC revision3

Description

The IRS20957S is a high voltage, high speed MOSFET driver with a floating PWM input designed for Class D audio amplifier applications.Bi-directional current sensing detects over current conditions during positive and negative load currents without any external shunt resistors. A built-in protection control block provides a secure protection sequence against over-current conditions and a programmable reset timer.The internal dead-time generation block enables accurate gate switching and optimum dead-time setting for better audio performance, such as lower THD and lower audio noise floor.

Features

  • Floating PWM input enables easy half bridge implementation
  • Programmable bidirectional over-current protection with self-reset function
  • Programmable preset dead-time for improved THD performances
  • High noise immunity
      • 100V ratings deliver up to 500W in output power
  • 3.3 V/ 5 V logic compatible input
  • Operates up to 800kHz

Typical applications

  • Class D Audio / General purpose audio power amplifiers
  • Home theatre systems / Mini component stereo systems / Powered speaker systems

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesλDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CVR
(V (DC))
SizeOperating TemperatureQDF
(%)
RISOCeramic TypeL
(mm)
W
(mm)
Fl
(mm)
Z @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR
(mA)
Z @ 1 GHz
(Ω)
H
(mm)
TypePins (Value)
(pcs)
RowsGenderPackaging Samples
150080BS75000SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear 470 Blue 465 145 3.2 InGaN 140 0805 -40 °C up to +85 °C 2 1.25 0.7 Tape and Reel
74279228600SPEC
9 files Active i| Production is active. Expected lifetime: >10 years.WE-MPSB EMI Multilayer Power Suppression Bead 0603 -55 °C up to +125 °C 1.6 0.8 0.3 60 99 458 MHz 5100 74 0.8 High Current
885012007055SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC)47 pF ±5% 50 0805 -55 °C up to +125 °C 100010 GΩ NP0 Class I 2 1.25 0.5 0.6 7" Tape & Reel
885012208064SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 25 V(DC)1 µF ±10% 25 1206 -55 °C up to +125 °C 3.50.5 GΩ X7R Class II 3.2 1.6 0.6 1.15 7" Tape & Reel
885012208066SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 25 V(DC)2.2 µF ±10% 25 1206 -55 °C up to +125 °C 3.50.2 GΩ X7R Class II 3.2 1.6 0.6 1.6 7" Tape & Reel
61300621121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Dual Pin Header -40 °C up to +105 °C1000 MΩ 7.62 3000 Straight 6 Dual Pin Header Bag
61300821121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Dual Pin Header -40 °C up to +105 °C1000 MΩ 10.16 3000 Straight 8 Dual Pin Header Bag
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesλDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CVR
(V (DC))
SizeOperating TemperatureQDF
(%)
RISOCeramic TypeL
(mm)
W
(mm)
Fl
(mm)
Z @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR
(mA)
Z @ 1 GHz
(Ω)
H
(mm)
TypePins (Value)
(pcs)
RowsGenderPackaging Samples