ZHCSF29E May 2016 – January 2021 TPS25940-Q1
PRODMIX
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY VOLTAGE AND INTERNAL UNDERVOLTAGE LOCKOUT | ||||||
| V(IN) | Operating input voltage | 2.7 | 18 | V | ||
| V(UVR) | Internal UVLO threshold, rising | 2.2 | 2.3 | 2.4 | V | |
| V(UVRhys) | Internal UVLO hysteresis | 105 | 116 | 125 | mV | |
| IQ(ON) | Supply current, enabled | V(EN/UVLO) = 2 V, V(IN) = 3 V | 140 | 210 | 300 | µA |
| V(EN/UVLO) = 2 V, V(IN) = 12 V | 140 | 199 | 260 | |||
| V(EN/UVLO) = 2 V, V(IN) = 18 V | 140 | 202 | 270 | |||
| IQ(OFF) | Supply current, disabled | V(EN/UVLO) = 0 V, V(IN) = 3 V | 4 | 8.6 | 15 | µA |
| V(EN/UVLO) = 0 V, V(IN) = 12 V | 6 | 15 | 20 | |||
| V(EN/UVLO) = 0 V, V(IN) = 18 V | 8 | 18.5 | 25 | |||
| IQ(DEVSLP) | Supply current, devSleep mode | V(DEVSLP) = 0 V, V(IN) = 2.7 V to 18 V | 70 | 95 | 130 | µA |
| ENABLE AND UNDERVOLTAGE LOCKOUT (EN/UVLO) INPUT | ||||||
| V(ENR) | EN/UVLO threshold voltage, rising | 0.97 | 0.99 | 1.01 | V | |
| V(ENF) | EN/UVLO threshold voltage, falling | 0.9 | 0.92 | 0.94 | V | |
| V(SHUTF) | EN threshold voltage for Low IQ shutdown, falling | 0.3 | 0.47 | 0.63 | V | |
| V(SHUTFhys) | EN hysteresis for low IQ shutdown, hysteresis(1) | 66 | mV | |||
| IEN | EN Input leakage current | 0 V ≤ V(EN/UVLO) ≤ 18 V | –100 | 0 | 100 | nA |
| OVER VOLTAGE PROTECTION (OVP) INPUT | ||||||
| V(OVPR) | Overvoltage threshold voltage, rising | 0.97 | 0.99 | 1.01 | V | |
| V(OVPF) | Overvoltage threshold voltage, falling | 0.9 | 0.92 | 0.94 | V | |
| I(OVP) | OVP input leakage current | 0 V ≤ V(OVP) ≤ 5 V | –100 | 0 | 100 | nA |
| DEVSLP MODE INPUT (DEVSLP): ACTIVE HIGH | ||||||
| V(DEVSLPR) | DEVSLP threshold voltage, rising | 1.6 | 1.85 | 2 | V | |
| V(DEVSLPF) | DEVSLP threshold voltage, falling | 0.8 | 0.96 | 1.1 | V | |
| I(DEVSLP) | DEVSLP input leakage current | 0.2 V ≤ V(DEVSLP) ≤ 18 V | 0.6 | 1 | 1.25 | µA |
| OUTPUT RAMP CONTROL (dVdT) | ||||||
| I(dVdT) | dVdT charging current | V(dVdT) = 0 V | 0.85 | 1 | 1.15 | µA |
| R(dVdT) | dVdT discharging resistance | EN/UVLO = 0 V, I(dVdT) = 10 mA sinking | 16 | 24 | Ω | |
| V(dVdTmax) | dVdT maximum capacitor voltage | 2.6 | 2.88 | 3.1 | V | |
| GAIN(dVdT) | dVdT to OUT gain | ΔV(OUT)/ΔV(dVdT) | 11.65 | 11.9 | 12.05 | V/V |
| CURRENT LIMIT PROGRAMMING (ILIM) | ||||||
| V(ILIM) | ILIM bias voltage | 0.87 | V | |||
| I(LIM) | Current limit(2) | R(ILIM) = 150 kΩ, (V(IN) – V(OUT)) = 1 V, Only for TPS25940-Q1/TPS25940L-Q1 | 0.53 | 0.58 | 0.63 | A |
| R(ILIM) = 88.7 kΩ, (V(IN) – V(OUT)) = 1 V | 0.9 | 0.99 | 1.07 | |||
| R(ILIM) = 42.2 kΩ, (V(IN) – V(OUT)) = 1 V | 1.92 | 2.08 | 2.25 | |||
| R(ILIM) = 20 kΩ, (V(IN) – V(OUT)) = 1 V | 4.09 | 4.45 | 4.81 | |||
| R(ILIM) = 16.9 kΩ, (V(IN) – V(OUT)) = 1 V | 4.78 | 5.2 | 5.62 | |||
| R(ILIM) = OPEN, Open resistor current limit (single point failure test: UL60950) | 0.35 | 0.45 | 0.55 | |||
| R(ILIM) = SHORT, Shorted resistor current limit (single point failure test: UL60950) | 0.55 | 0.67 | 0.8 | |||
| I(DEVSLP(LIM)) | DevSleep mode current limit | 0.55 | 0.67 | 0.8 | A | |
| IOS | Short-circuit current limit (2) | R(ILIM) = 42.2 kΩ, V(VIN) = 12 V, (V(IN) – V(OUT)) = 5 V | 1.91 | 2.07 | 2.24 | A |
| R(ILIM) = 20 kΩ, V(VIN) = 12 V, (V(IN) – V(OUT)) = 5 V | 4 | 4.4 | 4.7 | |||
| R(ILIM) = 16.9 kΩ, V(VIN) = 12 V, (V(IN) – V(OUT)) = 5 V | 4.7 | 5.11 | 5.52 | |||
| I(FASTRIP) | Fast-trip comparator threshold(1)(2) | 1.5 x I(LIM) + 0.375 | A | |||
| CURRENT MONITOR OUTPUT (IMON) | ||||||
| GAIN(IMON) | Gain factor I(IMON):I(OUT) | 1 A ≤ I(OUT) ≤ 5 A | 52.3 | µA/A | ||
| 1 A ≤ I(OUT) ≤ 5 A, Only for TPS25940-Q1/TPS25940L-Q1 | 47.78 | 52.3 | 57.23 | µA/A | ||
| MOSFET – POWER SWITCH | ||||||
| RON | IN to OUT - ON resistance | 1 A ≤ I(OUT) ≤ 5 A, TJ = 25°C | 34 | 42 | 49 | mΩ |
| 1 A ≤ I(OUT) ≤ 5 A, –40°C ≤ TJ ≤ +85°C | 26 | 42 | 58 | |||
| 1 A ≤ I(OUT) ≤ 5 A, –40°C ≤ TJ ≤ +125°C | 26 | 42 | 64 | |||
| 1 A ≤ I(OUT) ≤ 5 A, –40°C ≤ TJ ≤ +125°C, Only for TPS259401A-Q1 |
55 |
85 | mΩ | |||
| PASS FET OUTPUT (OUT) | ||||||
| Ilkg(OUT) | OUT leakage current in off state | V(IN) = 18 V, V(EN/UVLO) = 0 V, V(OUT) = 0 V (sourcing) | –2 | 0 | 2 | µA |
| V(IN) = 2.7 V, V(EN/UVLO) = 0 V, V(OUT) = 18 V (sinking) | 6 | 13 | 20 | |||
| V(REVTH) | V(IN) – V(OUT) threshold for reverse protection comparator, falling | –77 | –66 | –55 | mV | |
| V(FWDTH) | V(IN) – V(OUT) threshold for reverse protection comparator, rising | 86 | 100 | 114 | mV | |
| FAULT FLAG ( FLT): ACTIVE LOW | ||||||
| R( FLT) | FLT internal pull-down resistance | V(OVP) = 2 V, I(FLT) = 5 mA sinking | 10 | 18 | 30 | Ω |
| I( FLT) | FLT input leakage current | 0 V ≤ V(FLT) ≤ 18 V | –1 | 0 | 1 | µA |
| POSITIVE INPUT for POWER-GOOD COMPARATOR (PGTH) | ||||||
| V(PGTHR) | PGTH threshold voltage, rising | 0.97 | 0.99 | 1.01 | V | |
| V(PGTHF) | PGTH threshold voltage, falling | 0.9 | 0.92 | 0.94 | V | |
| I(PGTH) | PGTH input leakage current | 0 V ≤ V(PGTH) ≤ 18 V | –100 | 0 | 100 | nA |
| POWER-GOOD COMPARATOR OUTPUT (PGOOD): ACTIVE HIGH | ||||||
| R(PGOOD) | PGOOD internal pull-down resistance | V(PGTH) = 0V, I(PGOOD) = 5 mA sinking | 10 | 20 | 35 | Ω |
| I(PGOOD) | PGOOD input leakage current | 0 V ≤ V(PGOOD) ≤ 18 V | –1 | 0 | 1 | µA |
| THERMAL SHUT DOWN (TSD) | ||||||
| T(TSD) | TSD threshold(1) | 160 | °C | |||
| T(TSDhys) | TSD hysteresis(1) | 12 | °C | |||
| Thermal fault response | TPS25940-Q1, TPS259401A-Q1 | Auto-retry | ||||
| TPS25940L-Q1 | Latch-off | |||||