TPS61300_16 Datasheet, PDF (59/70 Pages) Texas Instruments – TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible Interface

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TPS61300, TPS61301
TPS61305, TPS61305A, TPS61306
SLVS957E – JUNE 2009 – REVISED APRIL 2016
System Examples (continued)
9.3.3 White LED Flashlight Driver and Audio Amplifier Power Supply Operating Simultaneously
2.5 V..5.5 V
TPS61300
L
2.2 mH
SW
SW
AVIN
VOUT
CI
HC_SEL
BAL
CO
10mF
D1
D2
+4.2 V
Audio Input
Audio Input
ENABLE TORCH(BB)
CAMERA ENGINE
HighS- peed I2C I/F
ENDCL
FLASH_SYNC
LED1
LED2
LED3
SCL
SDA
INDLED
Privacy
Indicator
CLASS-D APA
FEATURING I2C CONTROL I/F
Note:
Reduce audio gain to allow simultaneous
operation together this the camera en.gine
RF PA TX ACTIVE
Tx-MASK
ENVM
GPIO/PG
AGND
PGND
PGND
Copyright © 2016, Texas Instruments Incorporated
Figure 101. White LED Flashlight Driver and Audio Amplifier Power Supply Operating Simultaneously
9.3.4 White LED Flashlight Driver and Audio Amplifier Power Supply Exclusive Operation
2.5 V..5.5 V
ENABLE TORCH (BB)
CAMERA ENGINE
TPS 61300
L
2.2 mH
SW
SW
AVIN
VOUT
CI
HC_SEL
BAL
CO
10mF
D1 D2
I2C I/F
ENDCL
LED 1
FLASH_SYNC LED 2
LED 3
SCL
SDA
INDLED
Privacy
Indicator
+5.0 V
Audio Input
Audio Input
EN_APA
GAIN _SEL
0:Nominal Gain
1:-6 dB Gain
RF PA TX ACTIVE
Tx-MASK
ENABLE APA (BB)
ENVM
AGND
GPIO /PG
PGND
PGND
Copyright © 2016, Texas Instruments Incorporated
Figure 102. White LED Flashlight Driver and Audio Amplifier Power Supply Exclusive Operation
Copyright © 2009–2016, Texas Instruments Incorporated
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