Texas Instruments TPS62876

Beschreibung

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.The TPS6287x-Q1 family implements an enhanced DCS control scheme that combines fast transient response with fixed-frequency operation. Devices can operate in power-save mode for maximum efficiency,or forced-PWM mode for best transient performance and lowest output voltage ripple.An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves ±0.8% DC voltage accuracy for the full output voltage range.The switching frequency is selectable through the FSEL pin, and can be set to 1.5 MHz, 2.25 MHz, 2.5 MHz or 3 MHz, or synchronized to an external clock in the same frequency range.The I2C compatible interface offers several control,monitoring and warning features, such as voltage monitoring and temperature related warnings. The output voltage can be quickly adjusted to adapt the load´s power consumption to the performance needs.The default start-up voltage is resistor selectable through the VSEL pin.

Eigenschaften

• AEC-Q100 qualified for automotive applications
• Device temperature grade 1: -40°C to 125°C TA
• –40°C to 150°C junction temperature range
• Functional Safety-Capable
• Documentation available to aid functional safetysystem design
• Input voltage range: 2.7 V to 6 V
• Family of pin-to-pin compatible devices: 15 A, 20A, 25 A and 30 A
• 3 selectable output voltage ranges from 0.4 V to1.675 V
• 0.4-V to 0.71875-V with 1.25-mV steps
• 0.4-V to 1.0375-V with 2.5-mV steps
• 0.4-V to 1.675-V with 5-mV steps
• Output voltage accuracy: ±0.8%
• Internal power MOSFETs: 2.6 mΩ and 1.5 mΩ
• Adjustable soft start
• External compensation
• Selectable start-up output voltage through theVSEL pin
• Selectable switching frequency of 1.5 MHz, 2.25MHz, 2.5 MHz or 3 MHz, through FSEL pin
• Forced PWM or power-save mode operation
• Start-up output voltage selection by externalresistor or I2C
• I2C-compatible interface with up to 3.4 MHz
• Optional stacked operation for increased outputcurrent capability
• Differential remote sense
• Thermal pre-warning and thermal shutdown
• Output discharge
• Optional spread spectrum clocking
• Power-good output with window comparator

Typische Anwendungen

• ADAS camera, ADAS sensor fusion, Surround view ECU, Hybrid and reconfigurable cluster, Head unit, telematics control unit

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers