RK808 datasheet(13/75 Pages) ROCKCHIP

номер детали	RK808

подробное описание детали	Power Management System Technical Specifications

PDF	75 Pages

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производитель	ROCKCHIP [Rockchip Electronics Co., Ltd]

домашняя страница	http://www.rock-chips.com/a/en/index.html

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RK808

Power Management System

Version 1.0.1

www.rock-chips.com

8 ELECTRICAL CHARACTERISTICS

TJ=25C; VBAT=VCCx=3.8V, VDDIO=3V unless otherwise specified.

Parameter

Symbol

Min.

Typ.

Max.

Unit

General

Input supply voltage range ( VBAT )

VINPUT

2.7

5.5

Battery low alarm voltage

(2.8V~3.5V programmable, step=100mV)

VBLO

3.25

3.3

3.35

Battery under voltage threshold (vin falling)

VBUVL

2.5

Battery under voltage threshold (vin rising)

VBUVH

2.6

2.7

2.8

Battery OK voltage threshold

（3.0V/3.4V/3.5V/3.6V OTP programmable）

VBOK

3.0

Power on Reset Threshold (Rising)

VPORH

2.2

Power on Reset Threshold (Falling)

VPORL

1.2

Over Voltage Lock Out Threshold (Vin Rising)

VTH(OVLO)

5.7

6.0

6.3

Over Voltage Lock Out Hysteresis

VHYS (OVLO)

0.2

VDC pin threshold(rising edge)

VDCH

0.6

VDC pin threshold(falling edge)

VDCL

0.54

Stand-by current, VDD=3.6V, device OFF state

32KHz clock running

IQ(STNBY)

Hot-die temperature rising threshold

(85℃~115℃ programmable, step=10℃)

THD

115

℃

Thermal shut down

(140℃~170℃ programmable, step=30℃)

TTSD

140

170

℃

Oscillator circuit

Switching Frequency CH1,2,3,4( Tj=25℃ )

fSW

1.8

2.2

MHz

Logic inputs

Input LOW-Level Voltage (VDDIO)

VIL

0.3xVDDIO

Input HIGH-Level Voltage (VDDIO)

VIH

0.7xVDDIO

Logic outputs

LOW-Level Output Voltage,

3.0 mA sink

current

VOL

0.4

HIGH-Level Output Voltage,

3.0 mA source

current

VOH

VDDIO-0.4

NRESPWON pin LOW-Level Output Voltage,

3.0mA sink current

VOL(NRES)

0.4

CLK32KOUT1 pin LOW-Level Output Voltage,

VOL(CLKO1)

0.4

RK808 датащи(PDF) 13 Page - Rockchip Electronics Co., Ltd

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