ZHCSOF8D November 2021 – May 2025 TPS2597
PRODUCTION DATA
| Test Parameter | Description | MIN | TYP | MAX | UNITS |
|---|---|---|---|---|---|
| INPUT SUPPLY (IN) | |||||
| IQ(ON) | IN supply quiescent current (TPS25970x) | 413 | 650 | μA | |
| IN supply quiescent current (TPS25972x) | 407 | 650 | μA | ||
| IN supply quiescent current (TPS25974x) | 413 | 650 | μA | ||
| IN supply quiescent current during OVC (TPS25972x) | 429 | 650 | μA | ||
| IQ(OFF) | IN supply OFF state current (VSD(F) < VEN < VUVLO(F)) | 67 | 131 | μA | |
| ISD | IN supply shutdown current (VEN < VSD(F)) | 2.3 | 25 | μA | |
| VUVP(R) | IN supply UVP rising threshold | 2.44 | 2.54 | 2.64 | V |
| VUVP(F) | IN supply UVP falling threshold | 2.35 | 2.45 | 2.55 | V |
| OUTPUT VOLTAGE CLAMP (OUT) - TPS25972x | |||||
| VOVC | Overvoltage Clamp threshold, OVCSEL = Shorted to GND | 3.65 | 3.89 | 4.1 | V |
| Overvoltage Clamp threshold, OVCSEL = Open | 5.25 | 5.76 | 6.2 | V | |
| Overvoltage Clamp threshold, OVCSEL = 390 kΩ to GND | 13.2 | 13.88 | 14.5 | V | |
| VCLAMP | Output voltage during clamping, OVCSEL = Shorted to GND, IOUT = 10 mA | 3.2 | 3.82 | 4.2 | V |
| Output voltage during clamping, OVCSEL = Open, IOUT = 10 mA | 5 | 5.68 | 6.12 | V | |
| Output voltage during clamping, OVCSEL = 390 k? to GND, IOUT = 10 mA | 13 | 13.79 | 14.6 | V | |
| OUTPUT LOAD CURRENT MONITOR (ILM) | |||||
| GIMON | Analog load current monitor gain (IMON : IOUT), 1 A ≤ IOUT ≤ 7.7 A, IOUT < ILIM | 98 | 105.5 | 114 | μA/A |
| OVERCURRENT PROTECTION (OUT) | |||||
| ILIM | Overcurrent threshold, RILM = 6.65 K? | 0.745 | 0.87 | 0.97 | A |
| Overcurrent threshold, RILM = 3.32 K? | 1.55 | 1.73 | 1.905 | A | |
| Overcurrent threshold, RILM = 1.65 K? | 3.2 | 3.48 | 3.715 | A | |
| Overcurrent threshold, RILM = 750 ? | 7.03 | 7.67 | 8.15 | A | |
| ISPFLT | Circuit-Breaker threshold, ILM pin open (Single point failure) | 0.1 | A | ||
| ISPFLT | Circuit-Breaker threshold, ILM pin shorted to GND (Single point failure) | 2 | 3.1 | A | |
| ISCGain | Scalable fast-trip threshold (ISC) : ILIM ratio | 170 | 201 | 240 | % |
| VFB | VOUT threshold to exit current limit foldback | 1.55 | 1.88 | 2.23 | V |
| ON RESISTANCE (IN - OUT) | |||||
| RON | 2.7 ≤ VIN ≤ 4 V, IOUT = 3 A, TJ = 25 ℃ | 10 | 18.3 | mΩ | |
| 4 < VIN ≤ 23 V, IOUT = 3 A, TJ = 25 ℃ | 9.8 | 18.3 | mΩ | ||
| ENABLE/UNDERVOLTAGE LOCKOUT (EN/UVLO) | |||||
| VUVLO(R) | EN/UVLO rising threshold | 1.183 | 1.2 | 1.228 | V |
| VUVLO(F) | EN/UVLO falling threshold | 1.076 | 1.1 | 1.12 | V |
| VSD(F) | EN/UVLO falling threshold for lowest shutdown current | 0.45 | 0.75 | 0.95 | V |
| IENLKG | EN/UVLO pin leakage current | -0.1 | 0.1 | μA | |
| OVERVOLTAGE LOCKOUT (OVLO) - TPS25970x/4x | |||||
| VOV(R) | OVLO rising threshold | 1.183 | 1.2 | 1.228 | V |
| VOV(F) | OVLO falling threshold | 1.076 | 1.1 | 1.12 | V |
| IOVLKG | OVLO pin leakage current (0.5 V < VOVLO < 1.5 V) | -0.1 | 0.1 | μA | |
| OVERCURRENT FAULT TIMER (ITIMER) | |||||
| IITIMER | ITIMER pin internal discharge current, IOUT > ILIM | 1.5 | 2 | 2.72 | μA |
| RITIMER | ITIMER pin internal pull-up resistance | 13.8 | 35 | kΩ | |
| VINT | ITIMER pin internal pull-up voltage | 2.1 | 2.57 | 2.74 | V |
| VITIMER(F) | ITIMER comparator threshold, IOUT > ILIM | 0.609 | 1.05 | 1.37 | V |
| ΔVITIMER | ITIMER discharge differential voltage threshold, IOUT > ILIM | 1.286 | 1.52 | 1.741 | V |
| POWER GOOD INDICATION (PG) - TPS25972x/4x | |||||
| VPGD | PG pin voltage while de-asserted. VIN < VUVP(F), VEN < VSD(F), Weak pull-up (IPG = 26 μA) | 663 | 1000 | mV | |
| PG pin voltage while de-asserted. VIN < VUVP(F), VEN < VSD(F), Strong pull-up (IPG = 242 μA) | 782 | 1000 | mV | ||
| PG pin voltage while de-asserted, VIN > VUVP(R) | 0 | 600 | mV | ||
| IPGLKG | PG pin leakage current, PG asserted | 3 | μA | ||
| POWERGOOD THRESHOLD (PGTH) | |||||
| VPGTH(R) | PGTH rising threshold | 1.178 | 1.2 | 1.23 | V |
| VPGTH(F) | PGTH falling threshold | 1.071 | 1.1 | 1.13 | V |
| IPGTHLKG | PGTH pin leakage current | -1 | 1 | μA | |
| FAULT INDICATION (FLTB) - TPS25970x | |||||
| IFLTLKG | FLT pin leakage current | -1 | 1 | μA | |
| RFLTB | FLT pin internal pull-down resistance | 12.4 | Ω | ||
| OVERTEMPERATURE PROTECTION (OTP) | |||||
| TSD | Thermal Shutdown rising threshold, TJ↑ | 154 | °C | ||
| TSDHYS | Thermal Shutdown hysteresis, TJ↓ | 10 | °C | ||
| DVDT | |||||
| IdVdt | dVdt pin internal charging current | 1.4 | 3.4 | 5.7 | μA |