SLVA888C April 2017 – January 2021 TPS65987D , TPS65988
Pin name | Pin Number | Description | Min | Typ | Max | Comment |
---|---|---|---|---|---|---|
Decoupling caps | ||||||
LDO_1V8 | 35 | Bypass with appropriate capacitor | 2.2 uF | 4.7 uF | 6 uF | |
LDO_3V3 | 9 | Bypass with appropriate capacitor | 5 uF | 10 uF | 25 uF | |
VIN_3V3 | 5 | Bypass with appropriate capacitor | 5 uF | 10 uF | ||
PP1_CABLE | 25 | Bypass with appropriate capacitor | 10 uF | |||
PP_HV1 | 11,12 | Bypass with appropriate capacitor, ground pin if unused | 47 uF | 120 uF | Sink | |
10 uF | Source | |||||
PP_HV2 | 1,2 | Bypass with appropriate capacitor, ground pin if unused | 47 uF | 120 uF | Sink | |
10 uF | Source | |||||
VBUS1 | 13,14 | Port side VBUS bypass with appropriate capacitor, tie to ground if unused | 500 nF | 1 uF | 10 uF | |
VBUS2 | 3,4 | Port side VBUS bypass with appropriate capacitor, tie to ground if unused | 500 nF | 1 uF | 10 uF | |
Application Specific Pins | ||||||
SPI_MISO/GPIO8 | 36 | Ground pin if unused | ||||
SPI_MOSI/GPIO9 | 37 | Ground pin if unused | ||||
SPI_CLK/GPIO10 | 38 | Ground pin if unused | ||||
SPI_SS/GPIO11 | 39 | Ground pin if unused | ||||
I2C1_SCL | 27 | Should always be pulled up using a resistance and connected to central processor if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C1_SDA | 28 | Should always be pulled up using a resistance and connected to central processor if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C1_IRQ | 29 | Should always be pulled up using a resistance | 10 KΩ | |||
I2C2_SCL | 32 | Should always be pulled up using a resistance and connected to Thunderbolt controller if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C2_SDA | 33 | Should always be pulled up using a resistance and connected to Thunderbolt controller if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C2_IRQ | 34 | Should always be pulled up using a resistance | 10 KΩ | |||
I2C3_SCL/GPIO5 | 21 | Should always be pulled up using a resistance and connected to external I2C slaves if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C3_SDA/GPIO6 | 22 | Should always be pulled up using a resistance and connected to external I2C slaves if available | 2.2 KΩ | 3.3 KΩ | 10 KΩ | |
I2C3_IRQ/GPIO7 | 23 | Should always be pulled up using a resistance | 10 KΩ | |||
ADCIN2/I2C_ADDR | 10 | Connected to appropriate pullup/pulldown combination | Refer Data sheet | |||
GPIO12 | 40 | Float pin if unused | ||||
GPIO13 | 41 | Float pin if unused | ||||
PP_EXT1/GPIO16 | 48 | Signal for external FETs, can be used as a GPIO too, float pin if unused | ||||
PP_EXT2/GPIO17 | 49 | Signal for external FETs, can be used as a GPIO too, float pin if unused | ||||
ADCIN1/BUSPOWERZ | 6 | Connected to appropriate pullup/pulldown combination | Refer Data sheet | |||
HRESET | 44 | Ground pin using a pull-down and cap if used else ground directly | ||||
C1_CC1/C1_CC2 | 24/26 | Connect to Type-C connector, add an ESD protection device and a cap | 220 pF | |||
HPD1/GPIO3 | 30 | Connect to HPD if used in DisplayPort configuration, float pin if unused | ||||
C_USB_P/GPIO18 | 50 | Connect to USB 2.0 lines of connector if BC1.2 is required, can be used as a GPIO if BC1.2 is not required | ||||
C_USB_N/GPIO19 | 53 | Connect to USB 2.0 lines of connector if BC1.2 is required, can be used as a GPIO if BC1.2 is not required | ||||
GPIOs | ||||||
GPIO0 | 16 | Resetz pin, should be ties to thunderbolt driver, can also be used as a GPIO | ||||
GPIO1-GPIO2 | 17,18 | General purpose IOs, float if unused | ||||
GPIO4 | 31 | |||||
GPIO14(PWM) | 42 | General purpose IOs, float if unused | ||||
GPIO15(PWM) | 43 | General purpose IOs, float if unused | ||||
GPIO20-GPIO21 | 54,55 | General purpose IOs, float if unused | ||||
GND | 20,45,46,47,51,59 | Connect to ground | ||||
DRAIN1 | 8,15,19,58 | Connect all these pins together | Have a pad on the layout for heat dissipation | |||
DRAIN2 | 7,52,56,57 | Connect all these pins together | Have a pad on the layout for heat dissipation |