Overview
The LM5060-Q1 high-side protection controller, manufactured by Texas Instruments, is designed to provide intelligent control of a high-side N-channel MOSFET during normal on/off transitions and fault conditions. This controller is particularly suited for applications requiring robust protection and control, such as in automotive body electronics and industrial power distribution. It features a wide operating input voltage range of 5.5 V to 65 V and is functional safety capable, with documentation available to aid in functional safety system design.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 10-Lead VSSOP (DGS) |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 5.5 V to 65 V |
| Quiescent Current in Disabled Mode | Less than 15 µA |
| Output Rise Time | Controlled for safe connection of capacitive loads |
| Gate Driver | Charge pump gate driver for external N-Channel MOSFET |
| Undervoltage Lockout (UVLO) | Adjustable with hysteresis, serves as second enable input |
| Overvoltage Protection (OVP) | Adjustable input OVP |
| POWER GOOD Output | Active low open drain output |
| Fault Detection Delay Time | Programmable using an external capacitor |
Key Features
- Available in Automotive Grade / AEC Q-100
- Wide operating input voltage range: 5.5 V to 65 V
- Functional safety capable with supporting documentation
- Less than 15-µA quiescent current in disabled mode
- Controlled output rise time for safe connection of capacitive loads
- Charge pump gate driver for external N-Channel MOSFET
- Adjustable Undervoltage Lockout (UVLO) with hysteresis
- Programmable fault detection delay time
- MOSFET latched off after load fault is detected
- Active low open drain POWER GOOD (nPGD) output
- Adjustable input Overvoltage Protection (OVP)
- Immediate restart after overvoltage shutdown
Applications
- Automotive body electronics
- Industrial power distribution and control
Q & A
- What is the operating input voltage range of the LM5060-Q1?
The operating input voltage range is 5.5 V to 65 V. - What is the quiescent current in the disabled mode of the LM5060-Q1?
The quiescent current in the disabled mode is less than 15 µA. - What type of package does the LM5060-Q1 come in?
The LM5060-Q1 comes in a 10-Lead VSSOP (DGS) package. - Is the LM5060-Q1 functional safety capable?
Yes, the LM5060-Q1 is functional safety capable, and documentation is available to aid in functional safety system design. - How is the output rise time controlled in the LM5060-Q1?
The output rise time is controlled for safe connection of capacitive loads. - What is the purpose of the UVLO in the LM5060-Q1?
The UVLO (Undervoltage Lockout) is adjustable with hysteresis and serves as a second enable input for systems requiring safety redundancy. - How is the fault detection delay time programmed in the LM5060-Q1?
The fault detection delay time is programmable using an external capacitor connected to the TIMER pin. - What happens when a fault condition is detected in the LM5060-Q1?
When a fault condition is detected, the MOSFET is latched off until either the enable input or the UVLO input is toggled low and then high. - What is the function of the POWER GOOD output in the LM5060-Q1?
The POWER GOOD output is an active low open drain output that indicates when the output voltage reaches the input voltage and the MOSFET is fully on. - Can the LM5060-Q1 be used in automotive applications?
Yes, the LM5060-Q1 is suitable for use in automotive body electronics and is available in Automotive Grade / AEC Q-100.
