The TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems. They provide two independent output voltage rails powered by rechargeable batteries or standard 3.3-V or 5-V voltage rail.
The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions, TPS62402-Q1,
TPS62404-Q1, and TPS62405-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.
The TPS6240x-Q1 operates at 2.25-MHz fixed switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load-current range. For low-noise applications, one can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode reduces the current consumption to 1.2-µA, typical. The devices allow the use of small inductors and capacitors to achieve a small solution size.
| Vin (min) (V) | 2.5 |
| Vin (max) (V) | 6 |
| Vout (min) (V) | 1.2 |
| Vout (max) (V) | 1.8 |
| Iout (max) (A) | 0.4 |
| Iq (typ) (mA) | 0.032 |
| Switching frequency (min) (kHz) | 2000 |
| Switching frequency (max) (kHz) | 2500 |
| Features | Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light load efficiency, Synchronous Rectification |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Automotive |
| Regulated outputs (#) | 2 |
| Control mode | Voltage mode |
| Duty cycle (max) (%) | 100 |
| Type | Converter |
| VSON (DRC) | 10 | 9 mm² 3 x 3 |
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