IR2175S

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IR2175S

+Nomenclature

IC CURRENT SENSE 0.5% 8SOIC

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Obsolete
Function Current Sense
Accuracy ±0.5%
Voltage-Input 9.5V ~ 20V
Current-Output 20mA
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

IR2175S is a dual high-voltage gate-driver IC from International Rectifier (now Infineon). It provides bootstrapped high-side and low-side gate drives for N-channel MOSFETs in half-bridge configurations, common in offline SMPS, motor drives, and DC-DC converters.
Key features (typical):
- Two gate-drive channels with undervoltage lockout and fault protection
- Bootstrap high-side drive to switch the upper MOSFET
- Shoot-through protection and dead-time control
- Logic-level inputs compatible with standard CMOS/TTL levels
Usage basics:
- Drive two MOSFETs on a half-bridge; connect a bootstrap capacitor between VB and VS; VB powers the high-side driver; VS is the switching node.
Packaging:
- The S suffix usually denotes a surface-mount package (e.g., SOP-8) and RoHS-compliant variant.
If you’d like, I can pull a concise datasheet summary or pinout for IR2175S.

Features

IR2175S is a dual-channel, high-voltage gate driver for a half-bridge. Key features:
- Bootstrap high-side drive and independent low-side drive
- 600 V block rating with VB–VS bootstrap supply
- UVLO on Vcc and VB; safe power-up/power-down
- Overcurrent/short-circuit protection and thermal shutdown
- Shoot-through prevention with programmable deadtime
- Enable input and fault/status output
- Fast gate drive with high peak source/sink current
- Wide operating temperature and compact 8-pin package (SOP-8/SOIC)
- Suitable for offline/SMPS, DC-DC converters, motor drives, and bridge circuits
Note: For exact electrical specs (drive strength, timing, thresholds), consult the latest IR2175S datasheet.

Pinout

8 pins (SO-8).
Function: Dual high-side/low-side gate driver for a half-bridge. It provides two gate outputs (HO for the high-side MOSFET and LO for the low-side MOSFET) driven by two logic inputs (HIN and LIN). It uses a bootstrap supply (VB with VS) to drive the floating high-side gate, with VCC and GND as the logic supply and reference. Pin roles typically: HIN, LIN, VCC, GND, VB, VS, HO, LO.

Manufacturer

Manufacturer: Infineon Technologies AG (the IR2175S comes from the International Rectifier brand, now part of Infineon).
What kind of company: Infineon is a German multinational semiconductor company specializing in power semiconductors, microelectronics, and security solutions.

Application

IR2175S is a two-channel high-side/low-side gate driver for N-channel MOSFETs (bootstrap two-channel output). Typical applications:
- Synchronous buck/boost DC-DC converters and other switch-mode power supplies
- Motor drives (BLDC, PMSM, stepper)
- Automotive power electronics (ECU rails, chargers, DC-DC sections)
- LED lighting/advertising backlight drivers
- Solar inverters, UPS, telecom power systems
It enables high-side bootstrap operation and independent gate control for two MOSFETs in a half-bridge or two-channel configuration.

Package

8-pin surface-mount package, typically SOIC-8 (the S suffix denotes surface-mount).

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