STCC5011 Datasheet, PDF (10/37 Pages) STMicroelectronics – Constant current mode overcurrent protection

Electrical characteristics
STCC5011, STCC5021
Table 4. Electrical characteristics V_IN = 4.5 V to 5.5 V, V_DD = 1.7 V to 5.5 V, -40 °C < T_J < 125 °C
(unless otherwise specified) (continued)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
R_{DM_2A}
R_{DP_2A}
DM_IN output resistance
DP_IN output resistance
STCC5021, device set to DCP
auto-detect mode or divider
mode, V_IN = 5.0 V
27
kΩ
27
Charger emulator - BC1.2 CDP mode
V_{DM_SRC}
V_{DAT_REF}
V_{DAT_REF_HYST}
V_{LGC_SRC}
V_{LGC_SRC_HYST}
I_{DP_SINK}
Voltage source on DM_IN for V_{DP_IN} = 0.6 V, device in CDP
CDP detection
BC1.2 mode
0.5 0.6 0.7
V
DP_IN rising voltage
threshold to turn on V_{DM_SRC}
0.25 0.32 0.4
V_{DAT_REF} hysteresis
40
I_{DM_IN} = -250 µA, device in CDP
mV
DP_IN rising voltage
BC1.2 mode
threshold to turn off V_{DM_SRC}
0.8
1
V
V_{LGC_SRC} hysteresis
40
mV
DP_IN sink current
0.4 < V_{DP_IN} < 0.8 V, device in
CDP BC1.2 mode
50 75 150 µA
Charger emulator - timings
t_{CHG_DGL_ON}
t_{CHG_DGL_OFF}
t_{VDM_SRC_ON}
t_{VDM_SRC_OFF}
t_{VBUS_REAPP}
Charging indication ON
deglitch delay
From I_OUT > I_{OUT _TH} to
CHARGING/ATTACH asserted
0.5
s
Charging indication OFF
deglitch delay
From I_OUT < I_{OUT_TH} to
CHARGING deasserted
5
DM_IN voltage source turn-
on time
From V_{DP_IN} 0 V -> 0.6 V
to V_{DM_IN} = V_{DM_SRC}, CTLx
configured for CDP BC1.2
8
DM_IN voltage source turn-
off time
From V_{DP_IN} 0.6 V -> 0 V to
V_{DM_IN} = 0 V, CTLx configured
for CDP BC1.2
1.3
ms
OUT discharge pulse width
From V_OUT falling to 0.7 V during
discharge to V_OUT returning to 300 350 400
90%.
Charger emulator - control pins CTLx
V_CTLx
V_HYST(CTLx)
I_CTLx
CTLx pins threshold voltage
Hysteresis voltage on CTLx
pins
Leakage current
V_DD = 5.5 V, V_IN = 5.5 V,
V_CTLx = 0 V or 5 V
0.4
1.6 V
500
mV
-1
1 µA
10/37
DocID024660 Rev 6