Features
- Input voltage range of 2.3V to 5.5V
- Logic core with internal timeouts provides power sequencing and fault protection
- Four inputs can be programmed to control different voltage levels
- Open-drain power output (PWR_GD)
- Tiny footprint
- Pb-free/RoHS-compliant
- Halogen-free
- STQFN-14 package
SLG7SQ50537V Block Diagram
Description
The SLG7SQ50537V is a compact 4-input fault protection sequencer designed to monitor multiple voltage rails and provide intelligent fault management in power systems. It features four voltage monitoring inputs, integrated fault detection, a dedicated Power-Good (PWR_GD) output, and configurable sequencing control to help protect sensitive system components during power-up and fault conditions. With I²C programmability and low power consumption, the device simplifies system-level power management while improving reliability in embedded and industrial applications.
For custom configurations, visit GreenPAK™ Programmable Mixed-Signal Products.
Parameters
| Attributes | Value |
|---|---|
| Monitored Inputs | 4 |
| Bias Voltage Range (V) | 2.3 - 5.5 |
| Sequenced Voltages | 2.3 - 5.5 |
| Enable | Active High |
| Initial Startup Requirements | x1 UVLO, x3 IN |
| Power Down Sequencing | Yes |
| Logic Level (s) | CMOS |
| Monitored Channels for non-compliance | Configurable |
| Preset Or Adjustable Sequence | Preset Order, Adjustable Delay |
| Sequenced Output Control | Open Drain NMOS |
| Advanced Features | Configurable Hardware Device, I2C compatible |
Package Options
| Pkg. Type | Lead Count (#) |
|---|---|
| STQFN | 14 |
Product Comparison
| SLG7SQ50537 | SLG7SQ50520 | SLG7SQ50521 | SLG7SQ50533 | |
| Pkg. Type | STQFN | STQFN | STQFN | STQFN |
| Lead Count (#) | 14 | 12 | 14 | 14 |
| Bias Voltage Range | 2.3 - 5.5 | 1.71 - 5.5 | 2.3 - 5.5 | 2.3 - 5.5 |
| Enable | Active High | Active High | Active High | Active High |
| Preset Or Adjustable Sequence | Preset Order, Adjustable Delay | Without a regulated sequence | Preset Order, Adjustable Delay | Without a regulated sequence |
| Sequenced Output Control | Open Drain NMOS | Push Pull | Push Pull | Push Pull |
| Advanced Features | Configurable Hardware Device, I2C compatible | Configurable Hardware Device | Configurable Hardware Device, I2C compatible | Configurable Hardware Device |
Applications
- Computing and storage systems
- Networking and communications equipment
- Telecommunications infrastructure
- FPGA and processor-based platforms
- Industrial automation and control systems
- Embedded computing devices
- Edge AI and vision systems
- Multi-rail power management subsystems
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