BD7168GU-E datasheet(5/60 Pages) ROHM

Part #	BD7168GU-E

Description	USB Switching Charger IC Integrating a USB Adapter Automatic Detection Function

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Manufacturer	ROHM [Rohm]

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BD7168GU

www.rohm.com

TSZ22111・14・001

TSZ02201-0Q2Q0A400070-1-2

20012.10.09 Rev.001

 Charger detector / Analog SW unit

● Electric characteristics (VBUS = 5.0 V, VBAT = 3.6 V, Ta = 25℃, and CTI = 1000 pF unless otherwise specified)

Item

Symbol

Standard value

Unit

Condition

Minimum

Standard

Maximu

m

【USB charger detector】

VDAT_SRC voltage

(D+ output voltage)

VDAT_SRC

0.5

0.6

0.7

V

Io=0～200

μA

RCD resistance (D+ pull-up

resistance)

RCD

52

69

86

kΩ

VDATA_REF voltage

(D- detection voltage)

VDAT_REF

0.3

0.35

0.4

V

At the time of the DM terminal rise

VLGC voltage (D- detection

voltage)

VLGC

1.2

1.4

1.6

V

At the time of the DM terminal rise

D- sink current

IDAT_SINK

50

100

150

μA

V(DM) = 0.6V

Detection voltage for

BCS-compliant PORT (D+

detection voltage)

VTL

VBUS

×0.22

VBUS

×0.27

VBUS

×0.32

V

BCS-compliant PORT：

SDP, CDP, DCP

Detection voltage for pull-up

PORT(D+ detection voltage)

VTM

VBUS

×0.48

VBUS

×0.53

VBUS

×0.58

V

DPPD resistance

(D+ pull-down resistance )

VTH

VBUS

×0.75

VBUS

×0.80

VBUS

×0.85

V

Pull-up PORT：

PS2, UART

VDAT_SRC voltage

(D+ output voltage)

RDPPD

333

667

1000

kΩ

【USBSW (DP, DM) unit】

SW ON resistance

RON_USBSW

－

3

6

Ω

VIN=3.3V or 0V

Leakage current in OFF

IIOFF_USB

-3

－

3

μA

VIN=3.3V or 0V VB=OPEN

SW capacitance

CSW

－

6

－

pF

USBSW ON

USBSW startup time

TUPUSB

－

1

ms

USBSW OFF→ON

◎Radiation-resistant design is not adopted.

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