Features
- Fast Circuit Breaker Quickly Responds to Overcurrent Fault Conditions
- Less than 1µs Response Time to Dead Short
- Programmable Circuit Breaker Level and Delay
- Two Levels of Overcurrent Detection Provide Fast Response to Varying Fault Conditions
- Overcurrent Circuit Breaker and Fault Isolation Functions
- Adjustable Circuit Breaker Threshold as Low as 20mV
- Adjustable Voltage Ramp-up for In-Rush Protection During Turn-On
- Rail Independent Control, Monitoring and Reporting I/O
- Dual Supply Hot Swap Power Distribution Control to <1V
- Charge Pump Allows the Use of N-Channel MOSFETs
- QFN Package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline
- Near Chip Scale Package Footprint, Which Improves PCB Efficiency and has a Thinner Profile
- Pb-Free (RoHS Compliant)
ISL6174 Functional Diagram
Description
This IC targets dual voltage hot swap applications across the +2. 5V to +3. 3V (nominal) bias supply voltage range with a second lower voltage rail down to less than 1V where a circuit breaker response to an over current event is preferred. It features a charge pump for driving external N-Channel MOSFETs, accurate programmable circuit breaker current thresholds and delay output undervoltage monitoring and reporting and adjustable soft-start. The circuit breaker current level (ICB) for each rail is set by two external resistors, and for each rail a delay (tCB) is set by an external capacitor on the TCB pin. After tCB has expired, the IC then quickly pulls down the associated GATE(s) output turning off its external FET(s).
Applications
- Power Supply Sequencing, Distribution and Control
- Hot Swap/Electronic Circuit Breaker Circuits
| Part Number | Status | Samples | Stock | RoHS | Package | Lead Count (#) | Carrier Type | Pb (Lead) Free | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|
| ISL6174IRZ | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 28# | Tube | No | -40 to +85°C |
| ISL6174IRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 28# | Reel | No | -40 to +85°C |
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- Product Change NoticePDF 326 KB May 21, 2021
- Application NotePDF 397 KB an1684 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design and safety, disclaims liability for damages, and clarifies no intellectual property licenses are granted. Products are categorized by quality grades with specific application recommendations. Users must comply with laws, avoid unauthorized modifications, and ensure safe use within specified conditions. Contact details for Renesas Electronics sales offices worldwide are provided.
- Application NotePDF 509 KB an1681 Jan 19, 2004AI-generated Summary: The document explains grounding techniques for PCB layouts using a dual op amp example on a single-layer copper board. It compares three grounding schemes: a center spine ground trace, an outer ground plane, and a split/star ground plane, highlighting the benefits of single-point grounding to minimize noise and antenna effects. It emphasizes following current paths, minimizing loop lengths, and ensuring close forward and return paths to reduce interference. The document also includes disclaimers on product use, quality grades, safety, and legal compliance.
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- Application NotePDF 397 KB an1684 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design and safety, disclaims liability for damages, and clarifies no intellectual property licenses are granted. Products are categorized by quality grades with specific application recommendations. Users must comply with laws, avoid unauthorized modifications, and ensure safe use within specified conditions. Contact details for Renesas Electronics sales offices worldwide are provided.
- Application NotePDF 509 KB an1681 Jan 19, 2004AI-generated Summary: The document explains grounding techniques for PCB layouts using a dual op amp example on a single-layer copper board. It compares three grounding schemes: a center spine ground trace, an outer ground plane, and a split/star ground plane, highlighting the benefits of single-point grounding to minimize noise and antenna effects. It emphasizes following current paths, minimizing loop lengths, and ensuring close forward and return paths to reduce interference. The document also includes disclaimers on product use, quality grades, safety, and legal compliance.
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- Product Change NoticePDF 326 KB May 21, 2021
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