IRS2453DSTRPBF - 600V Self-Oscillating Full-Bridge Gate Driver IC | Infineon
MPN: IRS2453DSTRPBF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.45 | $14.50 |
| 100 | $1.18 | $118.00 |
| 500 | $1.04 | $520.00 |
| 1,000 | $0.95 | $950.00 |
| 2,500 | $0.86 | $2,150.00 |
IRS2453DSTRPBF Overview
A gate driver IC is a power-management device that level-shifts low-voltage logic PWM signals into the high-voltage, high-current drive required to switch the gate of a discrete power transistor (IGBT or MOSFET). Self-oscillating variants such as the IRS2453D family remove the need for an external PWM controller by generating the switching frequency with an internal RC timing network, simplifying the bill of materials for motor drive, ballast, and Class D audio converter stages. Within the broader taxonomy, gate drivers sit below power MOSFETs/IGBTs as the interface layer in the power-management hierarchy.
Key features of the IRS2453DSTRPBF include integrated bootstrap FETs, programmable oscillator frequency set by a single external resistor-capacitor pair, a shutdown pin, deadtime control, and HVIC plus latch-immune CMOS technology for rugged monolithic construction. The 600 V blocking voltage allows it to drive low-side and high-side switches directly off rectified mains up to 220 VAC without an external level shifter.
The IRS2453D family is based on the popular IR2153 half-bridge gate driver, extending the architecture from half-bridge to full-bridge. The high pulse-current buffer stage ensures fast gate rise and fall times, reducing switching losses in the driven power MOSFET or IGBT. The wide VCC range supports both 12 V and 15 V logic supplies typical of motor-control and SMPS designs.
Typical applications include DC-DC converters, electronic ballasts for fluorescent and HID lamps, Class D audio amplifiers, induction heating, and small industrial motor drives (single-phase or three-phase with replication). The integrated oscillator makes it especially attractive for cost-sensitive ballast and converter designs that want to eliminate the dedicated PWM controller.
When designing with this device, ensure the bootstrap capacitors are sized to supply the high-side gate charge during the full on-time without droop below the UVLO threshold. The shutdown pin must be pulled high (or left open per the datasheet) during normal operation to avoid unintended disable events.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes for the IRS2453DSTRPBF that go beyond the manufacturer datasheet.
Drop-in alternatives for IRS2453DSTRPBF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with IRS2453DSTRPBF (same form factor and footprint) — differing in Package, RoHS Status, Configuration, Operating Temperature, Logic Input Compatibility.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
IRS2153DSTRPBF
✅ Drop-In✓ In Stock
$0.42 / Unit
View Datasheet →IRS2153DSPBF
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →IR21064STRPBF
✅ Drop-In✓ In Stock
$0.87 / Unit
View Datasheet →IR2127STRPBF
✅ Drop-In✓ In Stock
$0.71 / Unit
View Datasheet →IRS2453DSTRPBF Maximum Ratings & Electrical Characteristics
| Function | Full-bridge gate driver IC with integrated oscillator |
| Driver Configuration | High-side and low-side (full-bridge) |
| Number of Drivers | 4 (HO, LO outputs for two half-bridge legs) |
| Input Voltage (VB offset) | 600 V (high-side offset rating) |
| Source Current (typ.) | 0.18 A |
| Sink Current (typ.) | 0.26 A |
| Oscillator Type | RC, CMOS 555-style front-end |
| Bootstrap FET | Integrated |
| Shutdown Pin | Yes |
| Input Circuit | RC Input Circuit |
| Package | 14-SOIC (0.154", 3.90 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (Pb-free per suffix "PBF") |
| Technology | HVIC and latch-immune CMOS |
IRS2453DSTRPBF Pin Configuration
| Pin 1 | VCC — Logic supply voltage (12 V or 15 V typical) |
| Pin 2 | RT — Oscillator timing resistor |
| Pin 3 | CT — Oscillator timing capacitor |
| Pin 4 | SD — Shutdown (active high) |
| Pin 5 | COM — Low-side logic ground return |
| Pin 6 | LO1 — Low-side gate drive output 1 |
| Pin 7 | VS1 — High-side floating supply return 1 |
| Pin 8 | HO1 — High-side gate drive output 1 |
| Pin 9 | VB1 — High-side floating supply 1 (bootstrap) |
| Pin 10 | LO2 — Low-side gate drive output 2 |
| Pin 11 | VS2 — High-side floating supply return 2 |
| Pin 12 | HO2 — High-side gate drive output 2 |
| Pin 13 | VB2 — High-side floating supply 2 (bootstrap) |
| Pin 14 | VSS — Logic ground |
Typical Applications
IRS2453DSTRPBF is suitable for 6 applications: Electronic Ballast for Fluorescent / HID Lamps, DC-AC Inverter / Full-Bridge Converter, Class D Audio Amplifier, Induction Heating Cooktop, H-Bridge DC Motor Driver, Switch-Mode Power Supply (SMPS) Half-Bridge Stage.
Electronic Ballast for Fluorescent / HID Lamps
The IRS2453DSTRPBF is a textbook choice for electronic ballasts driving fluorescent and HID lamps. Its integrated RC CMOS-555-style oscillator lets designers set the lamp operating frequency with one external resistor-capacitor pair, while the 600 V high-side rating allows direct-off-mains operation up to 220 VAC rectified without an external level shifter. The four gate-drive outputs (HO1, LO1, HO2, LO2) support the typical half-bridge ballast topology, and integrated bootstrap FETs eliminate external bootstrap diodes. Built-in deadtime control prevents shoot-through across the resonant tank, improving ballast efficiency. Designers should size the bootstrap capacitors to supply the gate charge over the full lamp warm-up on-time without droop below the VBS UVLO threshold.
Recommended
DC-AC Inverter / Full-Bridge Converter
For full-bridge DC-AC inverter designs including solar micro-inverters and UPS stages, the IRS2453DSTRPBF drives all four MOSFETs or IGBTs from a single 14-SOIC device. The 0.18 A source / 0.26 A sink currents comfortably switch typical 600 V MOSFETs at frequencies from a few kHz up to several hundred kHz, depending on gate charge. Its self-oscillating front-end simplifies the BOM versus a controller-plus-driver two-chip solution. For higher-power designs above 1 kW, designers should parallel multiple IRS2453DSTRPBF channels per leg or move to a dedicated full-bridge controller such as the IRS2008STRPBF. Proper PCB creepage is essential given the 600 V high-side offset.
Recommended
Class D Audio Amplifier
The IRS2453DSTRPBF is a long-proven Class D audio amplifier gate driver, leveraging its integrated oscillator to generate the audio-band switching frequency without an external modulator IC in basic designs. The 600 V high-side rating allows direct rectified-mains-fed Class D amplifiers for high-power home audio, subwoofers, and PA amplifiers. Four matched gate-drive outputs provide symmetric switching of the output full-bridge, minimizing even-order distortion. Designers building audiophile-grade amplifiers should pair the IRS2453DSTRPBF with low-Qg MOSFETs and pay careful attention to deadtime-induced distortion. The SOIC-14 package footprint allows easy hand-prototyping and rework for hobby and prosumer amplifier projects.
Recommended
Induction Heating Cooktop
The IRS2453DSTRPBF is well-suited to single-burner induction heating cooktops and rice cookers, where it drives a resonant LC tank formed by the induction coil and a high-voltage capacitor. Its self-oscillating front-end naturally tracks the LC resonant frequency, simplifying zero-voltage switching (ZVS) implementation. The 0.26 A sink current ensures fast turn-off of the IGBT or MOSFET, minimizing switching losses during high-frequency resonant operation up to several hundred kHz. Integrated bootstrap FETs and deadtime control reduce BOM and improve reliability. The IRS2453DSTRPBF's monolithic HVIC construction is ruggedized against the high dV/dt transients typical of induction heating tanks.
Recommended
H-Bridge DC Motor Driver
For brushed DC motor H-bridge drivers (1-A to 5-A range), the IRS2453DSTRPBF provides the four gate-drive outputs needed to switch an N-channel MOSFET H-bridge from a single logic-level PWM signal. The shutdown pin enables hardware-level motor disable for fault conditions, while integrated deadtime prevents cross-conduction during direction changes. The 600 V high-side rating is overkill for low-voltage battery-fed motors but provides significant design margin and protection against inductive kickback. Designers building small industrial pumps or fans benefit from the minimal external BOM and the monolithic ruggedness of HVIC technology.
Recommended
Switch-Mode Power Supply (SMPS) Half-Bridge Stage
In half-bridge SMPS topologies such as the resonant LLC and phase-shifted full-bridge used in telecom and server power supplies, the IRS2453DSTRPBF can drive one half-bridge leg from its HO/LO outputs while a second IC drives the other leg. The integrated oscillator sets the switching frequency, freeing the system controller for primary-side regulation. Designers can also clock the IRS2453DSTRPBF externally for synchronous multi-channel operation. The 14-SOIC package is pin-compatible with the older IR2153DSTRPBF, simplifying board revisions in legacy designs. Bootstrap capacitor sizing should account for the maximum duty cycle and high-side MOSFET gate charge at the chosen switching frequency.
Recommended
Recommended Products Summary
Engineering reference data for IRS2453DSTRPBF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IRS2153DSTRPBF | IRS2153DSPBF | IR21064STRPBF |
|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 14-SOIC (0.154", 3.90 mm) | 14-SOIC (0.154", 3.90 mm) - same | 14-SOIC (0.154", 3.90 mm) - same | 14-SOIC (0.154", 3.90 mm) - same |
| Topology | Full-bridge (4 outputs) | Half-bridge (2 outputs) | Half-bridge (2 outputs) | Half-bridge (2 outputs) |
| Integrated Oscillator | Yes (RC CMOS 555-style) | Yes (same RC oscillator) | Yes (same RC oscillator) | No (requires external PWM) |
| High-side Offset Voltage | 600 V | 600 V | 600 V | 600 V |
| Source Current (typ.) | 0.18 A | 0.18 A | 0.18 A | 0.12 A |
| Sink Current (typ.) | 0.26 A | 0.26 A | 0.26 A | 0.25 A |
| Integrated Bootstrap FET | Yes (x2) | Yes (x1) | Yes (x1) | Yes (x1) |
| Shutdown Pin | Yes | No | No | No |
| RoHS / Pb-free | Yes (PBF suffix) | Yes (PBF suffix) | No (non-PBF tube) | Yes (PBF suffix) |
Key Differentiators
- Full-bridge topology from a single SOIC-14 device (vs IRS2153DSTRPBF)
- Integrated shutdown pin for hardware disable (vs IRS2153DSTRPBF)
- Two integrated bootstrap FETs (one per high-side channel) (vs IR21064STRPBF)
Design Notes
Estimated: the IRS2453DSTRPBF typically draws < 1 mA quiescent current plus the gate-charge current it must supply to its driven MOSFETs/IGBTs. With a typical IGBT Qg of 100 nC at 50 kHz, each gate output draws I = Qg * f = 100 nC * 50 kHz = 5 mA. For all four outputs that is 20 mA, well within the ratings of a small 12 V or 15 V linear regulator. Designers should derate the bootstrap capacitor voltage below VCC by at least the bootstrap diode drop to ensure clean high-side supply startup.
Route the low-voltage logic-side ground (COM/VSS) as a star-connected island separate from the high-current source/sink return paths of the driven MOSFETs. Keep the high-side VB-VS loop area minimal - a tight layout of the bootstrap capacitor adjacent to pins VB1/VS1 and VB2/VS2 reduces high-side ringing. The CT timing capacitor should be placed directly at pin 3 with a short trace to COM at pin 5 to prevent oscillator jitter. According to Infineon's IRS2453D datasheet layout guidance, allow at least 4 mm creepage between the low-voltage logic side and the switched-node pins for 600 V operation.
Do not leave the shutdown pin floating - tie it high (to VCC) or low (to VSS) per the datasheet to avoid unintended disable events. Do not exceed the bootstrap capacitor's voltage rating during the maximum on-time of the high-side switch; undersized bootstrap capacitors cause high-side UVLO trips and missing gate pulses. Do not connect the high-side source return (VS1, VS2) to logic ground - each VS pin must remain floating and only connect to its own half-bridge leg's source. Finally, ensure the oscillator timing resistor and capacitor values stay within the datasheet's recommended range to guarantee oscillator startup across the full VCC range.
The IRS2453DSTRPBF's 14-SOIC package has limited thermal dissipation capability. Estimated: at full 50 kHz switching into four 100 nC IGBT gates, the IRS2453DSTRPBF itself dissipates less than 100 mW, well below the SOIC-14 ~700 mW rating at 25 C ambient. The driven MOSFETs/IGBTs carry the dominant switching and conduction losses, not the gate driver. Nonetheless, designers should keep the gate driver ICs out of the heat-sinking path of the power switches and ensure the SOIC-14 copper pads (especially the VCC/VSS thermal slug on the underside, if present) are soldered to a sufficiently-sized PCB copper pour for heat spreading.
Compliance Information
Pb-free per "PBF" suffix and Infineon product page. Not AEC-Q100 qualified - choose an automotive-grade variant from the IRS2453(1)D family for vehicle applications.
