ZHCSDK4C September 2014 – January 2020 TPS92638-Q1
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY VOLTAGE AND CURRENT (SUPPLY) | ||||||
| I(Quiescent) | Quiescent current | V(PWMx), V(EN) = high, I(IOUTx) = 40 mA | 0.5 | 0.6 | 0.9 | mA |
| I(Shutdown) | Shutdown current | V(PWMx) = 0 V, V(EN) = 0 V | 10 | µA | ||
| I(fault) | Shutdown current in fault mode (device to GND) | V(PWMx), V(EN) = high, V(FAULT) = low,
V(SUPPLY) = 5 V to 40 V, I(IOUTx) = 30 mA |
0.5 | 0.75 | 1 | mA |
| Shutdown current in fault mode (from SUPPLY) | 1.15 | |||||
| PWM, EN, STOP | ||||||
| I(EN-pd) | EN internal pulldown | V(EN) = 0 V to 40 V | 0.5 | 5 | µA | |
| VIH(PWMx) | Logic input, high level(1) | PWMx rising from a low state, IOUTx disabled | 1.161 | 1.222 | 1.283 | V |
| VIL(PWMx) | Logic input, low level(1) | PWMx falling from a high state, IOUTx enabled | 1.119 | 1.178 | 1.237 | V |
| V(PWM-hys) | Hysteresis | 44 | mV | |||
| I(PWM-pd) | PWMx internal pulldown current | V(PWMx) = 0 V to 20 V | 180 | 300 | nA | |
| V(PWMx) = 20 V to 40 V | 0.2 | 2 | µA | |||
| I(STOP-PD) | STOP internal pulldown | V(STOP) = 0 V to 40 V | 0.1 | 1 | µA | |
| CURRENT REGULATION (IOUTx) | ||||||
| I(IOUTx) | Regulated output current range | Each channel, V(PWMx) = high, V(EN) = high V(SUPPLY) > 5 V, V(IOUTx) > 0.9 V | 2 | 70 | mA | |
| I(IOUT_TOTAL) | 8 channels in parallel mode, V(PWMx) = high, V(EN) = high, V(SUPPLY) > 5 V, V(IOUTx) > 0.9 V | 16 | 560 | mA | ||
| ΔIO(channel) | Channel accuracy | 5 mA ≤ I(IOUTx) < 10 mA, V(SUPPLY) = 5 V–40 V
Channel accuracy = (I(IOUTx) – I(avg)) / I(avg)(2) |
–7% | 7% | ||
| 10 mA ≤ I(IOUTx) ≤ 70 mA, V(SUPPLY) = 5 V–40 V
Channel accuracy = (I(IOUTx) – I(avg)) / I(avg)(2) |
–3% | 3% | ||||
| 2 mA ≤ I(IOUTx) < 5 mA, V(SUPPLY) = 5 V–40 V
Channel accuracy = (I(IOUTx) – I(avg)) / I(avg)(2) |
–18% | 18% | ||||
| ΔIO(device) | Device accuracy | 5 mA ≤ I(IOUTx) < 10 mA, V(SUPPLY) = 5 V to 20 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–8% | 8% | ||
| 10 mA ≤ I(IOUTx) ≤ 70 mA, V(SUPPLY) = 5 V to 20 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–4% | 4% | ||||
| 2 mA ≤ I(IOUTx) < 5 mA, V(SUPPLY) = 5 V to 20 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–20% | 20% | ||||
| 5 mA ≤ I(IOUTx) < 10 mA, V(SUPPLY) = 20 V to 40 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–10% | 10% | ||||
| 10 mA ≤ I(IOUTx) ≤ 70 mA, V(SUPPLY) = 20 V to 40 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–8% | 8% | ||||
| 2 mA ≤ I(IOUTx) < 5 mA, V(SUPPLY) = 20 V to 40 V
Device accuracy = (I(IOUTx) – I(setting)) / I(setting)(3) |
–20% | 20% | ||||
| V(REF) | Reference voltage | I(IOUTx) = 20 mA | 1.198 | 1.222 | 1.246 | V |
| V(REFHI) | STOP reference voltage | 1.198 | 1.222 | 1.246 | V | |
| G(I) | Ratio of I(IOUTx) to reference current
I(IOUTx) / I(REF) or I(IOUTx) / ( I(REF) + I(REFHI)) |
200 | mA/mA | |||
| V(DROP_IOUTx) | Dropout voltage | I(IOUTx) = 70 mA | 0.71 | 0.9 | V | |
| V(DROP) | I(IOUTx) = 35 mA | 0.28 | 0.45 | V | ||
| I(slew) | Current slew-rate rise and fall times | Current rising from 10% to 90% or falling from 90% to 10% at I(IOUTx) = 35 mA.(4) | 1.5 | 6 | 12 | mA/µs |
| Current rising from 10% to 90% or falling from 90% to 10% at I(IOUTx) = 70 mA.(4) | 3 | 6 | 12 | mA/µs | ||
| FAULT (FAULT) | ||||||
| VOL | Logic output low level | 500-µA external pullup | 0.4 | V | ||
| VOH | Logic output high level | 1-µA external pulldown | 2 | V | ||
| I(pulldown) | Strong pulldown current | 600 | 780 | 1000 | µA | |
| I(pullup) | Pullup current | 4 | 8 | 12 | µA | |
| PROTECTION | ||||||
| V(OL_th) | Open-load detection voltage
V(OL_TH) = V(SUPPLY) – V(IOUTx) |
50 | 100 | 150 | mV | |
| V(OL_hys) | Open-load detection hysteresis | 100 | 200 | 300 | mV | |
| V(SHORT_th) | Short-detection voltage | 0.846 | 0.89 | 0.935 | V | |
| V(SHORT_hys) | Short-detection hysteresis | 318 | 335 | 352 | mV | |
| N(SHORT_deg) | Open-load detection PWM deglitch cycle number | 7 | 8 | Cycles | ||
| R(REF_th),
R(REFHI_th) |
REF and REFHI pins, parallel-resistor short detection | 1400 | 2300 | Ω | ||
| THERMAL MONITOR | ||||||
| T(shutdown) | Thermal shutdown | 155 | 170 | °C | ||
| T(hys) | Thermal shutdown hysteresis | 15 | °C | |||
| T(th) | Thermal foldback activation temperature | I(IOUTx) = 90% × I(setting), TEMP terminal floating | 95 | 110 | 125 | °C |
| I(TFC-min) | Minimum foldback current, ratio of I(setting) | 40% | 50% | 60% | ||
| V(T-disable) | Thermal-foldback-function disable threshold of V(TEMP) | 0 | 0.2 | V | ||
| K(temp1) | Change of V(TEMP) relative to T(J) | 25 | mV/°C | |||