The TPS65987DDHRSHR is a product from Texas Instruments (TI). It is a USB Type-C and USB Power Delivery (PD) controller, typically used in USB Type-C power delivery applications, including smartphones, laptops, and other electronic devices.
Here's a detai LED breakdown of the requested specifications:
Package Type:
The TPS65987DDHRSHR comes in a 56-pin QFN (Quad Flat No-lead) package. This package is designed to facilitate high-density integration and reliable operation in power management applications. The QFN package type is common for components like the TPS65987DDHRSHR, as it allows for a compact footprint and a robust electrical connection.
Pin Function Specifications & Circuit Principles:
56-Pin Function List: Pin Number Pin Name Pin Function Description 1 VBUS USB Power Delivery (PD) VBUS voltage input/output. Typically used for powering USB devices. 2 GND Ground connection for the device. 3 CC1 Configuration Channel 1, used for detecting Type-C connection orientation and voltage levels. 4 CC2 Configuration Channel 2, used similarly to CC1 but for the opposite orientation. 5 VCONN Power for the configuration channel, used for active cables. 6 SBU1 Sideband use (SBU) for alternate modes such as DisplayPort or audio. 7 SBU2 Sideband use (SBU) for alternate modes such as DisplayPort or audio. 8 I2C_SCL I2C Clock line for communication with external devices. 9 I2C_SDA I2C Data line for communication with external devices. 10 RESETB Active-low reset signal, used to reset the chip when required. 11 PWRGOOD Power-good indicator to show that the device has sufficient power supply. 12 VSYS System power input. Typically used for 3.3V or 5V power. 13 GND Ground pin for the system. 14 VBUS_PRT USB PD VBUS Port status, used for monitoring the VBUS connection status. 15 VBUS_EN VBUS Enable pin, used for enabling/disabling VBUS power. 16 TX1 USB Power Delivery Transmit (TX) for communication. 17 RX1 USB Power Delivery Receive (RX) for communication. 18 TX2 USB Power Delivery Transmit (TX) for communication. 19 RX2 USB Power Delivery Receive (RX) for communication. 20 VDD33 3.3V power supply input. 21 I2C_ALERT I2C interrupt or alert line for communicating device status. 22 VDD5V 5V power supply input. 23 SDA1 I2C Data line for alternate I2C communication. 24 SCL1 I2C Clock line for alternate I2C communication. 25 VCC1 Power for internal circuits. 26 VCC2 Power for internal circuits. 27 VBUS_CTRL Control signal for managing VBUS. 28 VCONN_CTRL Control signal for managing VCONN. 29 STATUS System status output, typically indicates overall device operation. 30 INT Interrupt output for signaling events or status changes. 31 PD_MODE USB PD mode selection. 32 SW1 Switch control for external peripherals or devices. 33 SW2 Switch control for external peripherals or devices. 34 SW3 Switch control for external peripherals or devices. 35 VCC3 Power supply for internal operation circuits. 36 VBUS_SENSE Senses the VBUS voltage level to detect active power delivery. 37 CONFIG_OK Configuration signal indicating whether the configuration was successful. 38 TEMP_SENSOR Temperature sensing pin. 39 SYSTEM_RESET System reset pin, used to reset the whole system. 40 TPGND Ground for test operations. 41 TEST1 Test pin for external testing purposes. 42 TEST2 Test pin for external testing purposes. 43 NTC Negative Temperature Coefficient pin for temperature monitoring. 44 OVP Over-voltage protection input. 45 OCP Over-current protection input. 46 I2C_CLK I2C Clock line for communication with the external I2C devices. 47 I2C_DATA I2C Data line for communication with external devices. 48 ERROR_IND Error indicator for system fault detection. 49 POWER_OK Indicates whether the power supply is stable and within the operating range. 50 FET_CTRL Control signal for managing external MOSFETs or power switches. 51 ENABLE Enable pin for controlling power to certain peripherals. 52 OUT1 Output pin for controlling external devices. 53 OUT2 Output pin for controlling external devices. 54 OUT3 Output pin for controlling external devices. 55 VOUT Output voltage from the device for powering external circuits. 56 LED_IND LED indicator for signaling the operational status of the device.FAQ (20 Questions) for TPS65987DDHRSHR:
What is the function of the VBUS pin in the TPS65987DDHRSHR? The VBUS pin is used to supply power to USB devices or to receive power from the host in a USB Power Delivery (PD) system.
How does the TPS65987DDHRSHR handle USB PD communication? It uses the TX/RX pins (pins 16, 17, 18, 19) to transmit and receive data over the USB Power Delivery protocol.
What does the VCONN pin control in the TPS65987DDHRSHR? The VCONN pin provides power to the configuration channel, typically used for active cables.
How do the CC1 and CC2 pins function? CC1 and CC2 are used for detecting the connection orientation of the Type-C cable and for establishing communication for USB PD.
What is the purpose of the SBU1 and SBU2 pins? SBU1 and SBU2 are used for alternate modes like DisplayPort or audio over USB Type-C.
What does the RESETB pin do? RESETB is an active-low reset pin that resets the device when asserted.
What is the function of the I2CSCL and I2CSDA pins? These pins are used for I2C communication with external devices such as sensors or microcontrollers.
What does the PWRGOOD pin indicate? The PWRGOOD pin signals whether the device has a valid power supply.
How do the TX and RX pins facilitate USB PD communication? These pins are used for sending and receiving data in USB PD communications, handling the negotiation of power levels.
What is the purpose of the VBUSSENSE pin? The VBUSSENSE pin detects the voltage level of the VBUS line and signals the device accordingly.
Can I use the TPS65987DDHRSHR to manage power for multiple devices? Yes, it can manage power delivery to multiple devices based on USB PD specifications.
What is the function of the I2CALERT pin? The I2CALERT pin is used to notify an external controller of specific alerts or status changes in the system.
How does the TPS65987DDHRSHR handle temperature monitoring? The TEMP_SENSOR pin is used to monitor the internal temperature, preventing thermal issues.
What is the role of the OVP and OCP pins? OVP is for over-voltage protection, while OCP protects the device from over-current conditions.
How can I reset the TPS65987DDHRSHR? You can reset the device by asserting the SYSTEM_RESET pin.
What does the ENABLE pin do? The ENABLE pin controls the activation of specific device functions or outputs.
How does the TPS65987DDHRSHR protect against power faults? The ERROR_IND pin provides fault indication, alerting the system to any power issues.
Can the TPS65987DDHRSHR be used in automotive applications? Yes, it is designed to work