STCC5021 datasheet(10/37 Pages) STMICROELECTRONICS

部件名	STCC5021

功能描述	Constant current mode overcurrent protection

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Electrical characteristics

STCC5011, STCC5021

10/37

DocID024660 Rev 6

RDM_2A

DM_IN output resistance

STCC5021, device set to DCP

auto-detect mode or divider

mode, VIN = 5.0 V

27

k

Ω

RDP_2A

DP_IN output resistance

27

Charger emulator - BC1.2 CDP mode

VDM_SRC

Voltage source on DM_IN for

CDP detection

VDP_IN = 0.6 V, device in CDP

BC1.2 mode

0.5

0.6

0.7

V

VDAT_REF

DP_IN rising voltage

threshold to turn on VDM_SRC

IDM_IN = -250 µA, device in CDP

BC1.2 mode

0.25 0.32

0.4

VDAT_REF_HYST

VDAT_REF hysteresis

40

mV

VLGC_SRC

DP_IN rising voltage

threshold to turn off VDM_SRC

0.8

1

V

VLGC_SRC_HYST

VLGC_SRC hysteresis

40

mV

IDP_SINK

DP_IN sink current

0.4 < VDP_IN < 0.8 V, device in

CDP BC1.2 mode

50

75

150

µA

Charger emulator - timings

tCHG_DGL_ON

Charging indication ON

deglitch delay

From IOUT > IOUT _TH to

CHARGING/ATTACH asserted

0.5

s

tCHG_DGL_OFF

Charging indication OFF

deglitch delay

From IOUT < IOUT_TH to

CHARGING deasserted

5

tVDM_SRC_ON

DM_IN voltage source turn-

on time

From VDP_IN 0 V -> 0.6 V

to VDM_IN = VDM_SRC, CTLx

configured for CDP BC1.2

8

ms

tVDM_SRC_OFF

DM_IN voltage source turn-

off time

From VDP_IN 0.6 V -> 0 V to

VDM_IN = 0 V, CTLx configured

for CDP BC1.2

1.3

tVBUS_REAPP

OUT discharge pulse width

From VOUT falling to 0.7 V during

discharge to VOUT returning to

90%.

300

350

400

Charger emulator - control pins CTLx

VCTLx

CTLx pins threshold voltage

0.4

1.6

V

VHYST(CTLx)

Hysteresis voltage on CTLx

pins

500

mV

ICTLx

Leakage current

VDD = 5.5 V, VIN = 5.5 V,

VCTLx = 0 V or 5 V

-1

1

µA

Table 4. Electrical characteristics VIN = 4.5 V to 5.5 V, VDD = 1.7 V to 5.5 V, -40 °C < TJ < 125 °C

(unless otherwise specified) (continued)

Symbol

Parameter

Conditions

Min. Typ. Max. Unit

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