ZHCSGZ6A October 2017 – February 2025 TPS6508700
PRODUCTION DATA
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The TPS6508700 power-management integrated circuit (PMIC) provides all the required power supplies for the AMD Family 17h Models 10h-1Fh Processors. The PMIC has the following integrated components: three step-down controllers (BUCK1, BUCK2, and BUCK6), three step-down converters (BUCK3, BUCK4, and BUCK5), a sink or source LDO (VTT LDO), three low-voltage VIN LDOs (LDOA1–LDOA3), and three load switches (SWA1, SWB1, and SWB2). With on-chip, one-time programmable (OTP) memory, configuration of each rail for the default output value, power-up sequence, fault handling, and power good mapping into a GPO pin are all conveniently flexible. All voltage rails (VRs) have a built-in discharge resistor, and the value can be changed using the DISCHCNT1–DISCHCNT3 and LDOA1_CTRL registers. When enabling a VR, the PMIC automatically disconnects the discharge resistor for that rail without any I2C command. Table 6-1 lists the key characteristics of the voltage rails.
| RAIL | TYPE | INPUT VOLTAGE (V) | OUTPUT VOLTAGE RANGE (V) | CURRENT (mA) | |||
|---|---|---|---|---|---|---|---|
| MIN | MAX | MIN | TYP | MAX | |||
| BUCK1 | Step-down controller | 4.5 | 21 | 5 V by external feedback | Scalable | ||
| BUCK2 | Step-down controller | 4.5 | 21 | 0.41 | 0.8 | 1.67 | Scalable |
| BUCK3 | Step-down converter | 4.5 | 5.5 | 0.425 | 1.8 | 3.575 | 3000 |
| BUCK4 | Step-down converter | 4.5 | 5.5 | 0.425 | 0.8 | 3.575 | 3000 |
| BUCK5 | Step-down converter | 4.5 | 5.5 | 0.425 | 1.8 | 3.575 | 3000 |
| BUCK6 | Step-down controller | 4.5 | 21 | 1 | 3.3 | 3.575 | Scalable |
| LDOA1 | LDO | 4.5 | 5.5 | 1.35 | 3.3 | 3.3 | 200(1) |
| LDOA2 | LDO | 1.62 | 1.98 | 0.7 | 1.5 | 1.5 | 600 |
| LDOA3 | LDO | 1.62 | 1.98 | 0.7 | 1.2 | 1.5 | 600 |
| SWA1 | Load switch | 0.5 | 3.3 | 1.5 | 300 | ||
| SWB1/SWB2 | Load switch | 0.5 | 3.3 | 1.5 | 300 | ||
| VTT | Sink and Source LDO | BUCK6 output | VBUCK6 / 2 | ||||