3PEAK Launches the TPM650xQ Series of High-Performance Automotive Push-Pull Transformer Drivers for Terminal Areas that Require an Isolated Power Supply

PublishTime： 2023-05-17 Article Source：3PEAK News

3PEAK, a semiconductor company focusing on the development of high-performance analog chips and embedded processors, unveiled the TPM650xQ series of High-Performance Automotive Push-Pull Transformer Drivers.

The TPM650xQ series has built-in MOSFETs with a withstanding voltage of 25V. It can reliably function within a temperature range from –40℃ to +125℃. With competitive performance, the TPM650xQ series has been widely used in automotive bus interfaces, industrial instruments, and other terminal areas that require an isolated power supply.

Wide Input Range: 2.25V to 5.5V

Multiple Fixed Frequency Versions: 160 kHz, 420 kHz, 2.2 MHz

Provides Frequency Jitter to Simplify EMI Design

Support for EN:

TPM6501xQ Series without EN Pins

TPM6505xQ Series with EN Pins

External CLK:

Built-in Frequency Options: 160kHz and 420kHz

External Frequency Range: 100kHz to 1600kHz

Low Rds(on):

Rds(on) 0.23 Ω@Vcc = 4.5 V

Wide Operating Temperature Range: –40℃ to +125℃

Various Protection Functions: 1.5-A Cycle-by-cycle Current Limit Protection, OTP Protection, and Undervoltage Protection for the Primary Side

Soft-start Function for Reducing Voltage Stress at Startup (Optional)

Packages: SOT23-5 and SOT23-6

[Typical Application 1] 3.3 V to 5.5 V or 3.3 V to 5 V direct conversion

Application: 5 V to 5V/3.3V/12V, 3.3V to 3.3V/5V/12V

Features: The structure is simple and easy to use, which is suitable for input and output voltages between 3V and 5V.

[Typical Application 2] Low-temperature rise from 12 V to 12 V/15 V in a dual-channel isolated output

Application: Single 12-V input to dual-channel isolated 12V/15V/20V output

Features: VIN can exceed 5.5V, switching losses are borne by external MOSFETs, and the temperature of the device is reduced.

[Typical Application 3] Highly integrated 5 V to dual-channel isolated 20-V solution

Application: 5V to 20V (or 23V, then +15V and –8V via the TPR431 voltage divider)

Features: A push-pull transformer can achieve dual-channel isolated output, and the output is four times the input voltage.

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