Overview
The TPS3103K33DBVRG4 is a supervisory circuit designed by Texas Instruments, belonging to the Power Management (PMIC) class. This component is engineered to serve industrial and automotive applications, as well as power supplies, motor control systems, and other systems requiring simple reset or power-on reset functionality. It provides a reliable and efficient way to monitor a single voltage level with an open drain or open collector output. The device operates within an operating temperature range of -40°C to 85°C and features a reset timeout duration of 65ms minimum and a voltage threshold monitoring of 2.941V.
Key Specifications
| Product Category | Supervisory Circuits | RoHS | Details |
|---|---|---|---|
| Type | Voltage Supervisory | Mounting Style | SMD/SMT |
| Package / Case | SOT-23-6 | Threshold Voltage | 2.941 V |
| Number of Inputs Monitored | 1 Input | Output Type | Active Low, Open Drain |
| Manual Reset | Manual Reset | Watchdog Timers | No Watchdog |
| Battery Backup Switching | No Backup | Reset Delay Time | 130 ms |
| Supply Voltage - Max | 3.3 V | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C | Accuracy | 0.75 % |
| Series | TPS3103K33 | Brand | Texas Instruments |
| Features | Active Low Enable, Manual Reset | Height | 1.15 mm |
| Length | 2.9 mm | Operating Supply Current | 1.2 uA |
| Operating Supply Voltage | 3.3 V | Overvoltage Threshold | 2.963 V |
| Pd - Power Dissipation | 437 mW | Product Type | Supervisory Circuits |
| Factory Pack Quantity | 3000 | Subcategory | PMIC - Power Management ICs |
| Supply Voltage - Min | 400 mV | Undervoltage Threshold | 2.919 V |
| Width | 1.6 mm | Unit Weight | 0.000229 oz |
Key Features
- Simple Reset/Power-On Reset
- Open Drain or Open Collector output
- Single Voltage Monitoring (1)
- Active Low Reset
- Reset Timeout: 65ms Minimum
- Operating Temperature: -40°C ~ 85°C (TJ)
- Ultra-low Supply Current: 1.2 μA (Typical)
- High Trip-Point Accuracy: 0.75%
- Manual Reset Pin
- Active Low Enable
Applications
- Power Supplies
- Motor Control Systems
- Industrial Automation
- Automotive Electronics
- Consumer Electronics
- Applications Using Low-Power DSPs, Microcontrollers, or Microprocessors
- Portable and Battery-Powered Equipment
- Intelligent Instruments
- Wireless Communication Systems
- Notebook and Desktop Computers
Q & A
- What is the primary function of the TPS3103K33DBVRG4?
The primary function of the TPS3103K33DBVRG4 is to monitor a single voltage level and provide a reset or power-on reset signal when the voltage falls below a specified threshold.
- What is the operating temperature range of the TPS3103K33DBVRG4?
The operating temperature range of the TPS3103K33DBVRG4 is -40°C to 85°C.
- What type of output does the TPS3103K33DBVRG4 have?
The TPS3103K33DBVRG4 has an active-low, open-drain output.
- What is the reset timeout duration of the TPS3103K33DBVRG4?
The reset timeout duration of the TPS3103K33DBVRG4 is 65ms minimum.
- What is the threshold voltage for the TPS3103K33DBVRG4?
The threshold voltage for the TPS3103K33DBVRG4 is 2.941V.
- Does the TPS3103K33DBVRG4 have a watchdog timer?
No, the TPS3103K33DBVRG4 does not have a watchdog timer.
- What is the supply current of the TPS3103K33DBVRG4?
The supply current of the TPS3103K33DBVRG4 is 1.2 μA (typical).
- What package type does the TPS3103K33DBVRG4 come in?
The TPS3103K33DBVRG4 comes in a 6-pin SOT-23 package.
- Is the TPS3103K33DBVRG4 RoHS compliant?
Yes, the TPS3103K33DBVRG4 is RoHS compliant.
- What are some common applications of the TPS3103K33DBVRG4?
The TPS3103K33DBVRG4 is commonly used in power supplies, motor control systems, industrial automation, automotive electronics, and consumer electronics.
- Can the TPS3103K33DBVRG4 be manually reset?
Yes, the TPS3103K33DBVRG4 has a manual reset pin that can be used to force the outputs low regardless of the sensed voltages.
