TPS65131RGER Detai LED explanation of pin function specifications and circuit principle instructions
The "TPS65131RGER" is a part number from Texas Instruments (TI). It is typically used for display Power management, specifically designed for applications like O LED or ePaper displays. Below is the detailed explanation of pin functions, specifications, and other relevant information about this component.
Package Information:
The TPS65131RGER comes in a QFN-48 package, which has 48 pins. Each of these pins serves a specific function related to the power management of display module s, offering features such as boost conversion, regulation, and sequencing.
Pin Function Specifications:
The following table provides detailed descriptions of the pin functions for the TPS65131RGER with the total number of 48 pins.
Pin Number Pin Name Function Description 1 VOUT Output voltage for the display, typically 3.3V or 5V depending on configuration. 2 VREG Regulated voltage pin. Provides a stable voltage output for various system components. 3 GND Ground. Common reference point for the system. 4 FB1 Feedback pin for adjusting the output voltage. 5 IN1 Input voltage pin. Connects to the input power source. 6 VCC Power supply input pin. 7 VOUT2 Second output voltage for an additional stage of the display module. 8 VOUT3 Third output voltage for the power distribution. 9 EN Enable pin. Activates the power supply output when high. 10 VIN Input voltage for the system. 11 BOOT Bootstrapped voltage for high-side MOSFET driver. 12 SW1 Switching node for the first stage of DC/DC converter. 13 SW2 Switching node for the second stage of DC/DC converter. 14 SW3 Switching node for the third stage of DC/DC converter. 15 ILIM Current limiting pin. Used to set the overcurrent protection threshold. 16 NTC Negative Temperature Coefficient (NTC) input, used for temperature sensing or thermal protection. 17 PGND Power ground. Ground reference for high-current circuits. 18 FB2 Feedback pin for regulating the second output voltage. 19 FB3 Feedback pin for regulating the third output voltage. 20 NC No connection pin, unused in this configuration. 21 PGOOD Power good output, indicating when the output voltage is within the desired range. 22 FAULT Fault detection output, indicates if a fault condition occurs in the power supply. 23 RT Timing resistor, used to set the switching frequency. 24 OVP Overvoltage protection pin. Triggers the system if the voltage exceeds the set limit. 25 COMP Compensation pin for regulating the converter’s response to load transients. 26 NC No connection pin, unused in this configuration. 27 VOUT4 Fourth output voltage for the system. 28 EN2 Second enable pin, used for enabling/disabling a secondary power rail. 29 VOUT5 Fifth output voltage for the system. 30 VCC2 Second supply voltage input for powering secondary circuits or logic. 31 PGOOD2 Second power good output, indicating the second voltage rail’s status. 32 FAULT2 Second fault detection output, indicating issues with the second voltage rail. 33 VOUT6 Sixth output voltage for additional stages or different display components. 34 BOOT2 Second bootstrap voltage for high-side MOSFET driver in the second stage. 35 SW4 Switching node for a fourth stage DC/DC converter. 36 ILIM2 Current limiting pin for the second stage of the converter. 37 NC No connection pin. 38 GND2 Ground pin for second stage circuits. 39 VOUT7 Seventh output voltage for the system. 40 SW5 Switching node for the fifth stage of the DC/DC converter. 41 OVP2 Overvoltage protection pin for the second stage. 42 PGOOD3 Third power good output, indicating the status of the third voltage rail. 43 FAULT3 Third fault detection output, indicating issues with the third voltage rail. 44 GND3 Ground pin for third stage circuits. 45 PGND2 Power ground for secondary stages. 46 VIN2 Second input voltage pin for external power supply. 47 SW6 Switching node for the sixth stage of the DC/DC converter. 48 VREG2 Second regulated output voltage for specific circuits