Especificaciones
MP5991GLU-Z is a fully integrated Intelli-Fuse hot-swap power switch solution manufactured by Monolithic Power Systems (MPS), integrating control logic, gate driver and low-resistance power MOSFET in a single chip for high-current hot-plug protection and electronic fusing in server, networking and industrial power systemsMonolithic….
Desglose de sufijos
- MP5991: Core integrated hot-swap e-fuse product series
- GLU: 32-pin LGA / VFQFN exposed pad package specification
- -Z: Standard tape-and-reel packaging for automated SMT mounting; MP5991GLU-P refers to tray packaging
1. Core Electrical Specifications
Input Power Range
- Operating input voltage: 4 V ~ 16 V DC
- Built-in UVLO under-voltage lockout to prevent abnormal power-up under insufficient input voltage
- Quiescent supply current: 2.3 mA typical
Power Switch Performance
- Integrated power MOSFET with ultra-low 1 mΩ Rds(on)
- Continuous rated output current: 50 A at room temperature; up to 60 A with forced air cooling
- Configurable soft-start ramp to limit inrush current during card hot insertion into live backplane power rail
- High-precision IMON current monitoring with ±1% measurement accuracy, eliminating external current-sense resistors
- On-die built-in temperature sensing circuit without extra discrete temperature components
Configurable Protection Thresholds
- Programmable over-current (OC) protection threshold via external reference resistors
- Hardware short-circuit protection (SCP) with fast fault shutdown
- Independent fault indication pins to report fault type and fuse health status
2. Comprehensive Protection & Diagnostic Functions
- Input under-voltage lockout (UVLO) protection
- Programmable over-current limiting and latchable fault protection with auto-retry option
- Output short-circuit protection with immediate gate shutdown
- Thermal over-temperature protection (OTP) to shut down the device when junction temperature exceeds limit
- Built-in detection for MOSFET gate/drain/source short faults
- Multi-status signal outputs: GOK power good flag, FLT_TYPE fault classification, D_OC over-current warning signal
- Support parallel multi-chip current sharing for applications requiring total load current above 50A
3. Package & Mechanical Information
- Package Type: 32-pin LGA / VFQFN with exposed thermal pad
- Outline dimension: 5.0 mm × 5.0 mm compact footprint
- Moisture Sensitivity Level: MSL 3, must be reflow soldered within 168 hours after package opening
- Surface-mount device for dense PCB layout on power backplane and pluggable line cards
4. Environmental & Compliance Standards
- Operating junction temperature range: -40 ℃ ~ +125 ℃
- Fully RoHS3 lead-free and halogen-free compliant, REACH SVHC compliant
- Designed for high-reliability 24/7 continuous operation in datacenter and industrial rack-mounted equipment
5. Typical Application Scenarios
- Hot-swap protection for server rack pluggable power supply modules and line interface cards
- Networking switches, routers and communication gateway backplane power electronic fusing
- Industrial chassis pluggable board live insertion over-current and short-circuit protection
- Storage disk array and datacenter hardware high-current power distribution protection
- Telecom equipment, 5G base station auxiliary power rail intelligent fuse management
LXB Semicon supplies original MPS MP5991GLU-Z 16V 50A integrated hot-swap Intelli-Fuse power switch IC
