FSA9285A Просмотр технического описания (PDF) - ON Semiconductor

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FSA9285A

MCPC-Compliant, USB-Port, Multimedia Switch with Auto-Detection, 12 V VBUS

ON Semiconductor 

Table 3. ID_CON Resistor Identification

Resistor

Code(4)

ID_CON Resistance to GND

Min.

Typ.

Max.

Auto Switch

USB Switches

Unit

Accessory Detected

10110

0

18

Ω

OTG

10100

19000

20000

21000

Ω

Resistor 20 kΩ

10011

22800

24000

25200

Ω

Resistor 24 kΩ

10010

27265

28700

30135

Ω

10001

34675

36500

36865

YES

Ω

Resistor 28.7 kΩ

ACA RID-C(5)

10000

39798

40200

40602

Ω

Resistor 40.2 kΩ

01111

44650

47000

49350

Ω

MCPC Send/End

01110

55638

56200

56762

Ω

01101

64600

68000

71400

YES

Ω

Resistor 56.2 kΩ

ACA RID-B(5)

01100

80275

84500

88725

Ω

Resistor 84.5 kΏ

01011

01010

96900

117800

102000

124000

107100

130200

YES

Ω

Phone Power Device

Ω

ACA RID-A(5)

01001

148500

150000

151500

Ω

Resistor 150 kΩ

01000

00111

171000

198000

180000

200000

183600

202000

Ω

MCPC Maintenance

Ω

Car Kit Type-1 Charger(5)

00110

229680

232000

234320

Ω

Resistor 232 kΩ

00101

272650

287000

301350

Ω

MCPC Mode 1

00100

00011

370500

437580

390000

442000

401700

446420

Ω

MCPC Reserved

Ω

Car Kit Type-2 Charger(5)

00010

529150

557000

584850

Ω

MCPC Mode 3

00001

00000

757150

970000

797000

836850

Open

Ω

MCPC Mode 2

Ω

Float(6)

Notes:

4. The resistor code values are reported in the Resistor Code register whenever a valid resistor code value changes.

5. See Table 4 for details, additional requirements may be applicable for detection.

6. Resistance 970 kΩ status bit /ID_FLOAT=0.

© 2011 Fairchild Semiconductor Corporation

FSA9285A • Rev. 1.3

8

www.fairchildsemi.com

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