TPS6593C3A0RWERQ1 Pin Functional Grouping
Source: official TI TPS6593-Q1 datasheet content returned for the TPS6593C3A0RWERQ1 RWE package, plus the existing terminals in this Flux part project.
Grouping rule
Each terminal is assigned to exactly one functional section. Shared or alternate-function pins are grouped by their primary/common hardware function to avoid duplicate assignment.
Applied sections and groups
Power
Power input pins
- VCCA — analog input voltage for internal LDOs and internal blocks
- VIO_IN — digital supply input for GPIOs and I/O supply voltage
- VBACKUP — backup power source input
- PVIN_B1 — BUCK1 power input
- PVIN_B2 — BUCK2 power input
- PVIN_B3 — BUCK3 power input
- PVIN_B4 — BUCK4 power input
- PVIN_B5 — BUCK5 power input
- PVIN_LDO12 — LDO1/LDO2 power input
- PVIN_LDO3 — LDO3 power input
- PVIN_LDO4 — LDO4 power input
Ground pins
- REFGND1 — system reference ground
- REFGND2 — system reference ground
- Thermal_Pad — PGND / thermal pad, connect to PCB ground planes with multiple vias
Voltage Regulator
Buck switch nodes
- SW_B1 pins — BUCK1 switch nodes
- SW_B2 pins — BUCK2 switch nodes
- SW_B3 pins — BUCK3 switch nodes
- SW_B4 pins — BUCK4 switch nodes
- SW_B5 — BUCK5 switch node
Buck feedback pins
- FB_B1 — BUCK1 feedback sense
- FB_B2 — BUCK2 feedback sense
- FB_B3 — BUCK3 feedback sense
- FB_B4 — BUCK4 feedback sense
- FB_B5 — BUCK5 feedback sense
LDO output pins
- VOUT_LDO1 — LDO1 output
- VOUT_LDO2 — LDO2 output
- VOUT_LDO3 — LDO3 output
- VOUT_LDO4 — LDO4 output
Internal LDO filter pins
- VOUT_LDOVINT — LDOVINT filter capacitor output, not for external loading
- VOUT_LDOVRTC — LDOVRTC filter capacitor output, not for external loading
Communication
- SDA_I2C1_SDI_SPI — I2C1 data or SPI data input depending on configured interface
- SCL_I2C1_SCK_SPI — I2C1 clock or SPI clock depending on configured interface
GPIO
- GPIO1 — GPIO / alternate interface, reset, sleep, wake functions
- GPIO2 — GPIO / alternate interface, watchdog, sleep, wake functions
- GPIO3 — GPIO / alternate error, clock, sleep, wake functions
- GPIO4 — GPIO / alternate clock, sleep, wake functions
- GPIO5 — GPIO / alternate SCLK_SPMI
- GPIO6 — GPIO / alternate SDATA_SPMI, sleep, wake functions
- GPIO7 — GPIO / alternate nERR_MCU, sleep, wake functions
- GPIO8 — GPIO / alternate sync clock, watchdog disable, 32-kHz output, sleep, wake functions
- GPIO9 — GPIO
- GPIO10 — GPIO / alternate sync clock, 32-kHz output, sleep, wake functions
- GPIO11 — GPIO / alternate watchdog trigger, SoC reset, sleep, wake functions
Clock
- OSC32KIN — 32-kHz crystal oscillator input
- OSC32KOUT — 32-kHz crystal oscillator output
- OSC32KCAP — 32-kHz oscillator filter capacitor connection
Control
- PWRON_ENABLE_N — nPWRON active-low button input or ENABLE level-sensitive input
- INT_N — host interrupt output, active low
- EN_DRV — enable-drive / safe-state output
Reset
- RSTOUT_N — MCU reset / power-on reset output, active low
Analog
- AMUXOUT — buffered bandgap / analog mux output
Other / unverified project terminals
The official C3A0 RWE pinout returned by the datasheet did not list these terminal names. They were intentionally not forced into a confirmed datasheet function group:
Notes
- The datasheet extraction showed a discrepancy around pins 51 and 52: official C3A0 RWE results identify pins 51 and 52 as GND, while this project currently has terminals named VSYS_SENSE and OVPGDRV at those pin numbers. I preserved those terminals but marked them as unverified.
- Pin Group values are intentionally more descriptive than the platform's default suggestions so the symbol remains readable by function.