SLVUC99A January 2022 – January 2022 DRA829V , TDA4VM , TPS6594-Q1
These settings detail the voltages, configurations, and monitoring of the BUCK rails stored in the NVM. All these settings can be changed though I2C after startup. Some settings, typically the enable bits, are also changed by the PFSM, as described in Section 6.3.
After the Section 6.3.8 sequence has completed, the BUCKx_EN bit is set for BUCK1, BUCK4, and BUCK5 in the TPS65941213. BUCKx_EN is set for the BUCK1 and BUCK5 in the TPS65941111. The BUCKx_VMON_EN bit is set for BUCK1, BUCK3, BUCK4 and BUCK5 in the TPS65941213. The BUCKx_VMON_EN bit is set for BUCK1 and BUCK5 in the TPS65941213. The BUCKx_RV_SEL bit is cleared for all BUCKs. The other bits remain unchanged, but are still accessible via I2C.
Register Name | Field Name | TPS65941213-Q1 | TPS65941111-Q1 | ||
---|---|---|---|---|---|
Value | Description | Value | Description | ||
BUCK1_CTRL | BUCK1_EN | 0x0 | Disabled; BUCK1 regulator | 0x0 | Disabled; BUCK1 regulator |
BUCK1_FPWM | 0x0 | PFM and PWM operation (AUTO mode). | 0x0 | PFM and PWM operation (AUTO mode). | |
BUCK1_FPWM_MP | 0x0 | Automatic phase adding and shedding. | 0x0 | Automatic phase adding and shedding. | |
BUCK1_VMON_EN | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | |
BUCK1_VSEL | 0x0 | BUCK1_VOUT_1 | 0x0 | BUCK1_VOUT_1 | |
BUCK1_PLDN | 0x1 | Enabled; Pull-down resistor | 0x1 | Enabled; Pull-down resistor | |
BUCK1_RV_SEL | 0x1 | Enabled | 0x1 | Enabled | |
BUCK1_CONF | BUCK1_SLEW_RATE | 0x3 | 5.0 mV/μs | 0x3 | 5.0 mV/μs |
BUCK1_ILIM | 0x5 | 5.5 A | 0x5 | 5.5 A | |
BUCK2_CTRL | BUCK2_EN | 0x0 | Disabled; BUCK2 regulator | 0x0 | Disabled; BUCK2 regulator |
BUCK2_FPWM | 0x0 | PFM and PWM operation (AUTO mode). | 0x0 | PFM and PWM operation (AUTO mode). | |
BUCK2_VMON_EN | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | |
BUCK2_VSEL | 0x0 | BUCK2_VOUT_1 | 0x0 | BUCK2_VOUT_1 | |
BUCK2_PLDN | 0x1 | Enabled; Pull-down resistor | 0x1 | Enabled; Pull-down resistor | |
BUCK2_RV_SEL | 0x1 | Enabled | 0x1 | Enabled | |
BUCK2_CONF | BUCK2_SLEW_RATE | 0x3 | 5.0 mV/μs | 0x3 | 5.0 mV/μs |
BUCK2_ILIM | 0x5 | 5.5 A | 0x5 | 5.5 A | |
BUCK3_CTRL | BUCK3_EN | 0x0 | Disabled; BUCK3 regulator | 0x0 | Disabled; BUCK3 regulator |
BUCK3_FPWM | 0x0 | PFM and PWM operation (AUTO mode). | 0x0 | PFM and PWM operation (AUTO mode). | |
BUCK3_FPWM_MP | 0x0 | Automatic phase adding and shedding. | 0x0 | Automatic phase adding and shedding. | |
BUCK3_VMON_EN | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | |
BUCK3_VSEL | 0x0 | BUCK3_VOUT_1 | 0x0 | BUCK3_VOUT_1 | |
BUCK3_PLDN | 0x1 | Enabled; Pull-down resistor | 0x1 | Enabled; Pull-down resistor | |
BUCK3_RV_SEL | 0x0 | Disabled | 0x0 | Disabled | |
BUCK3_CONF | BUCK3_SLEW_RATE | 0x5 | 1.3 mV/μs | 0x2 | 10 mV/μs |
BUCK3_ILIM | 0x5 | 5.5 A | 0x4 | 4.5 A | |
BUCK4_CTRL | BUCK4_EN | 0x0 | Disabled; BUCK4 regulator | 0x0 | Disabled; BUCK4 regulator |
BUCK4_FPWM | 0x0 | PFM and PWM operation (AUTO mode). | 0x0 | PFM and PWM operation (AUTO mode). | |
BUCK4_VMON_EN | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | |
BUCK4_VSEL | 0x0 | BUCK4_VOUT_1 | 0x0 | BUCK4_VOUT_1 | |
BUCK4_PLDN | 0x1 | Enabled; Pull-down resistor | 0x1 | Enabled; Pull-down resistor | |
BUCK4_RV_SEL | 0x1 | Enabled | 0x0 | Disabled | |
BUCK4_CONF | BUCK4_SLEW_RATE | 0x3 | 5.0 mV/μs | 0x2 | 10 mV/μs |
BUCK4_ILIM | 0x5 | 5.5 A | 0x4 | 4.5 A | |
BUCK5_CTRL | BUCK5_EN | 0x0 | Disabled; BUCK5 regulator | 0x0 | Disabled; BUCK5 regulator |
BUCK5_FPWM | 0x0 | PFM and PWM operation (AUTO mode). | 0x0 | PFM and PWM operation (AUTO mode). | |
BUCK5_VMON_EN | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | 0x0 | Disabled; OV, UV, SC and ILIM comparators. | |
BUCK5_VSEL | 0x0 | BUCK5_VOUT_1 | 0x0 | BUCK5_VOUT_1 | |
BUCK5_PLDN | 0x1 | Enable Pull-down resistor | 0x1 | Enable Pull-down resistor | |
BUCK5_RV_SEL | 0x1 | Enabled | 0x1 | Enabled | |
BUCK5_CONF | BUCK5_SLEW_RATE | 0x3 | 5.0 mV/μs | 0x3 | 5.0 mV/μs |
BUCK5_ILIM | 0x3 | 3.5 A | 0x3 | 3.5 A | |
BUCK1_VOUT_1 | BUCK1_VSET1 | 0x37 | 0.800 V | 0x37 | 0.800 V |
BUCK1_VOUT_2 | BUCK1_VSET2 | 0x37 | 0.800 V | 0x0 | 0.3 V |
BUCK2_VOUT_1 | BUCK2_VSET1 | 0x37 | 0.800 V | 0x37 | 0.800 V |
BUCK2_VOUT_2 | BUCK2_VSET2 | 0x37 | 0.800 V | 0x0 | 0.3 V |
BUCK3_VOUT_1 | BUCK3_VSET1 | 0xfd | 3.30 V | 0x0 | 0.3 V |
BUCK3_VOUT_2 | BUCK3_VSET2 | 0xfd | 3.30 V | 0x0 | 0.3 V |
BUCK4_VOUT_1 | BUCK4_VSET1 | 0x41 | 0.850 V | 0x0 | 0.3 V |
BUCK4_VOUT_2 | BUCK4_VSET2 | 0x41 | 0.850 V | 0x0 | 0.3 V |
BUCK5_VOUT_1 | BUCK5_VSET1 | 0xb2 | 1.80 V | 0x41 | 0.850 V |
BUCK5_VOUT_2 | BUCK5_VSET2 | 0xb2 | 1.80 V | 0x0 | 0.3 V |
BUCK1_PG_WINDOW | BUCK1_OV_THR | 0x3 | +5% / +50 mV | 0x3 | +5% / +50 mV |
BUCK1_UV_THR | 0x3 | -5% / -50 mV | 0x3 | -5% / -50 mV | |
BUCK2_PG_WINDOW | BUCK2_OV_THR | 0x3 | +5% / +50 mV | 0x3 | +5% / +50 mV |
BUCK2_UV_THR | 0x3 | -5% / -50 mV | 0x3 | -5% / -50 mV | |
BUCK3_PG_WINDOW | BUCK3_OV_THR | 0x7 | +10% / +100mV | 0x0 | +3% / +30mV |
BUCK3_UV_THR | 0x7 | -10% / -100mV | 0x0 | -3% / -30mV | |
BUCK4_PG_WINDOW | BUCK4_OV_THR | 0x3 | +5% / +50 mV | 0x0 | +3% / +30mV |
BUCK4_UV_THR | 0x3 | -5% / -50 mV | 0x0 | -3% / -30mV | |
BUCK5_PG_WINDOW | BUCK5_OV_THR | 0x3 | +5% / +50 mV | 0x3 | +5% / +50 mV |
BUCK5_UV_THR | 0x3 | -5% / -50 mV | 0x3 | -5% / -50 mV |