TPS65311QRVJRQ1 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS65311QRVJRQ1
Manufacturer

TI
ChipWorker Part#

CW8028653
Category

Power Management IC
Package

VQFN-56
Description

Automotive 4V to 40V, 5 Regulated Output Power Management IC for Automotive Safety Applications 56-VQFN -40℃ to 125℃
Documentation

Datasheet

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TPS65311QRVJRQ1 Specifications

Attribute	Attribute Value

Part Number	TPS65311QRVJRQ1
Manufacturer	TI
ChipWorker Part#	CW8028653
Category	Power Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	56 Pin
Case/Package	VQFN-56
Supply Current	44 µA
Quiescent Current	60.0 µA
Number of Regulated Outputs	5 Output
Switching Frequency	2450 kHz
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
Supply Voltage	4V ~ 50V
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Operating Temperature	-55℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TPS65311-Q1 device is a power-management unit, meeting the requirements of digital-signal-processor (DSP) controlled-automotive systems (for example, advanced driver-assistance systems). With the integration of commonly used supply rails and features, the TPS65311-Q1 device significantly reduces board space and system costs.
The device is capable of providing stable output voltages to the application, including a typical 5-V CAN-supply, from a varying input power supply (such as an automotive car battery) between 4 V and 40 V. The device includes one synchronous buck controller as a pre-regulator that offers flexible output power to the application. For post-regulation, the device includes two synchronous buck and one asynchronous boost converter, working at a switching frequency of 2.45 MHz to allow for a smaller inductor which requires less board space. The two buck converters also offer internal loop compensation which eliminates the need for external compensation components. Furthermore, the device includes a low-noise linear regulator.
For system safety, the device includes voltage monitoring on all supply rails and a window-watchdog to monitor the MCU and DSP. Other features include a high-side driver which drives a warning-lamp LED, a reference voltage which is used as ADC reference in the MCU, DSP, and a shutdown comparator which, in combination with external NTC-resistor, switches off the device at too-low ambient temperature.

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