Overview
The TPL5010-Q1 Nano Timer, produced by Texas Instruments, is a low-power, AEC-Q100 qualified timer designed with a watchdog feature. It is ideal for system wake-up in duty-cycled or battery-powered applications. This timer helps in reducing the power consumption of the system by allowing the microcontroller to enter a much lower power mode, thereby extending the operating life of batteries and enabling the use of smaller batteries. The TPL5010-Q1 is particularly useful in applications where high sleep current of the microcontroller timer can consume a significant portion of the total system current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23-THN (DDC) | |
| Pins | 6 | |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage | 1.8 to 5.5 | V |
| Current Consumption | 35 nA (typ) at 2.5 V | nA |
| Selectable Time Intervals | 100 ms to 7200 s | |
| Timer Accuracy | 1% (Typical) | |
| ESD Classification | HBM Level 2, CDM Level C5 |
Key Features
- Qualified for Automotive Applications and AEC-Q100 certified
- Low power consumption of 35 nA (typ) at 2.5 V
- Supply voltage range from 1.8 V to 5.5 V
- Selectable time intervals from 100 ms to 7200 s
- Timer accuracy of 1% (Typical)
- Resistor selectable time interval
- Watchdog functionality with manual reset
- Programmable delay range
- Designed for interrupt-driven applications
Applications
- Electric Vehicles
- Always On Systems
- Battery-powered systems
- Clutch Actuator circuits
- Car Door Handle circuits
- Smart Key systems
- Remote current sensors
- Intruder Detection systems
Q & A
- What is the primary function of the TPL5010-Q1?
The TPL5010-Q1 is a low-power system timer with a watchdog feature, designed to wake up systems in duty-cycled or battery-powered applications.
- What is the operating temperature range of the TPL5010-Q1?
The operating temperature range is from -40°C to 125°C.
- What is the typical current consumption of the TPL5010-Q1?
The typical current consumption is 35 nA at 2.5 V.
- What are the selectable time intervals for the TPL5010-Q1?
The selectable time intervals range from 100 ms to 7200 s.
- What is the purpose of the watchdog function in the TPL5010-Q1?
The watchdog function ensures system safety by resetting the microcontroller if it does not receive a DONE signal within the specified time interval.
- How is the time interval set for the TPL5010-Q1?
The time interval is set using an external resistance (REXT) connected between the DELAY/M_RST pin and ground.
- What are the ESD classification levels for the TPL5010-Q1?
The device has an HBM ESD classification level of 2 and a CDM ESD classification level of C5.
- What package type is the TPL5010-Q1 available in?
The TPL5010-Q1 is available in a 6-pin SOT-23-THN (DDC) package.
- How does the manual reset function work on the TPL5010-Q1?
The manual reset is realized by momentarily pulling the DELAY/M_RST pin to VDD for at least 20 ms, which resets all the counters inside the TPL5010-Q1.
- What are some typical applications of the TPL5010-Q1?
Typical applications include electric vehicles, always-on systems, battery-powered systems, clutch actuator circuits, car door handle circuits, smart key systems, remote current sensors, and intruder detection systems.
