Buspowerz Configuration Requirements; Single-Wire Debugger (Swd) Timing Requirements; Thermal Shutdown Characteristics; Hpd Timing Requirements And Characteristics - Texas Instruments TPS65981 Manual

TPS65981
SLVSDC2B – FEBRUARY 2016 – REVISED AUGUST 2016

7.22 BUSPOWERZ Configuration Requirements

Recommended operating conditions; T
BUSPOWERZ Voltage for receiving VBUS Power through the
VBPZ_EXT
PP_EXT path
BUSPOWERZ Voltage for receiving VBUS Power through the
VBPZ_HV
PP_HV path
VBPZ_DIS BUSPOWERZ Voltage for disabling system power from VBUS

7.23 Single-Wire Debugger (SWD) Timing Requirements

Recommended operating conditions; T
FSWD Frequency of SWD_CLK
TPER Period of SWD_CLK (1/FSWD)
TWHI SWD_CLK high width
TWLO SWD_CLK low width
TDOUT SWD_CLK rising to SWD_DATA valid delay time
TSUIN SWD_DATA valid to SWD_CLK rising setup time
THDIN SWD_DATA hold time from SWD_CLK rising
TRSWD SWD output rise time
TFSWD SWD output fall time

7.24 Thermal Shutdown Characteristics

Recommended operating conditions; T
TSD_MAIN Thermal shutdown temperature of the main thermal shutdown Temperature rising
TSDH_MAIN Thermal shutdown hysteresis of the main thermal shutdown
TSD_PWR Thermal shutdown temperature of the power path block
TSDH_PWR Thermal shutdown hysteresis of the power path block
TSD_DG Programmable thermal shutdown detection de-glitch time

7.25 HPD Timing Requirements and Characteristics

Recommended operating conditions; T
DP SOURCE SIDE (HPD TX)
T_IRQ_MIN HPD IRQ minimum assert time
T_3MS_MIN HPD assert 3-ms minimum time
DP SINK SIDE (HPD RX)
T_HPD_HDB HPD high de-bounce time
T_HPD_LDB HPD low de-bounce time
T_HPD_IRQ HPD IRQ limit time
22 Submit Documentation Feedback
= –40°C to +105°C unless otherwise noted
A
PARAMETER
= –40°C to +105°C unless otherwise noted
A
= –40°C to +105°C unless otherwise noted
A
PARAMETER
= -40 to 105°C unless otherwise noted
A
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TEST CONDITIONS
10% to 90%, C = 5 pF to 50 pF,
L
LDO_3V3 = 3.3 V
90% to 10%, C = 5 pF to 50 pF,
L
LDO_3V3 = 3.3 V
TEST CONDITIONS
Temperature falling
Temperature rising
Temperature falling
HPD_HDB_SEL = 0
HPD_HDB_SEL = 1
Copyright © 2016, Texas Instruments Incorporated
TPS65981
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MIN TYP MAX UNIT
0.8 V
0.8 2.4 V
2.4 V
MIN NOM MAX UNIT
10 MHz
100 ns
35 ns
35 ns
2 25 ns
9 ns
3 ns
0.1 8 ns
0.1 8 ns
MIN TYP MAX UNIT
145 160 175 °C
20 °C
135 150 165 °C
37 °C
0.1 ms
MIN NOM MAX UNIT
675 750 825 μs
3 3.33 3.67 ms
300 375 450 μs
100 111 122 ms
300 375 450
μs
1.35 1.5 1.65 ms