Overview
The TPL7407LPWR, produced by Texas Instruments, is a high-voltage, high-current NMOS transistor array. This device consists of seven NMOS transistors that feature high-voltage outputs with common-cathode clamp diodes, designed for switching inductive loads. The TPL7407LPWR is an improvement over traditional bipolar Darlington arrays, offering enhanced power efficiency and lower leakage. It is compatible with a wide range of microcontrollers and logic interfaces, operating with input voltages from 1.8 V to 5.0 V. The device is versatile and can be used in various applications, including driving relays, motors, solenoids, and LEDs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (16 pins) | - |
| Body Size | 5.00 mm × 4.40 mm | - |
| Operating Temperature Range | -40°C to 125°C | °C |
| Drain Current (Per Channel) | 600 mA | mA |
| Output Voltage (VOL) | 210 mV (at ID = 100 mA), 430 mV (at ID = 200 mA) | mV |
| Input Low-Level Voltage (VIL) | 0.9 V | V |
| Input High-Level Voltage (VIH) | 1.5 V | V |
| OFF-State Leakage Current (IOUT(OFF)) | 10 nA (at VOUT = 24 V, VIN ≤ 0.9 V) | nA |
| ESD Protection | 2-kV HBM, 500-V CDM | - |
Key Features
- CMOS pin-to-pin improvement of 7-channel Darlington array (e.g., ULN2003A)
- Power efficient with very low VOL (less than 4 times lower than Darlington array at 100 mA)
- Very low output leakage (< 10 nA per channel)
- High-voltage outputs (up to 40 V)
- Compatible with 1.8-V to 5.0-V microcontrollers and logic interfaces
- Internal free-wheeling diodes for inductive kick-back protection
- Input pull-down resistors allow tri-stating the input driver
- Input RC-snubber to eliminate spurious operation in noisy environments
- ESD protection exceeds JESD 22 (2-kV HBM, 500-V CDM)
Applications
- Inductive loads: relays, unipolar stepper and brushed DC motors, solenoids, and valves
- LEDs
- Logic level shifting
- Gate and IGBT drive
Q & A
- What is the TPL7407LPWR?
The TPL7407LPWR is a high-voltage, high-current NMOS transistor array produced by Texas Instruments. - What is the maximum drain current per channel?
The maximum drain current per channel is 600 mA. - What is the operating temperature range of the TPL7407LPWR?
The operating temperature range is -40°C to 125°C. - What are the package options for the TPL7407LPWR?
The device is available in 16-pin TSSOP and SOIC packages. - What is the input voltage range for the TPL7407LPWR?
The input voltage range is compatible with 1.8-V to 5.0-V microcontrollers and logic interfaces. - Does the TPL7407LPWR have built-in protection for inductive loads?
Yes, it has internal free-wheeling diodes for inductive kick-back protection. - How does the TPL7407LPWR handle noisy environments?
The device features an input RC-snubber to eliminate spurious operation in noisy environments. - What is the ESD protection level of the TPL7407LPWR?
The ESD protection exceeds JESD 22 with 2-kV HBM and 500-V CDM. - Can the outputs of the TPL7407LPWR be paralleled for higher current capability?
Yes, the outputs can be paralleled for higher current capability. - What types of loads can the TPL7407LPWR drive?
The TPL7407LPWR can drive inductive loads such as relays, motors, and solenoids, as well as resistive loads like LEDs.
