+5V_USB FOR USB1
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| MAX 2A |
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| POWER_ON/OFF2_4 |
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| R4328 |
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| 10K |
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| C4327 |
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| 0.1uF |
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| D4304 | SX34 |
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| 40V |
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| +24V |
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| 16V |
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| 16V | C4329 |
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| IC4305 |
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| L4308 |
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| 0.1uF |
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| 6.8uH |
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| 0 | R4330 |
| TPS54331D |
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| L4305 |
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| D4304 | SMAB34 |
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| BLM18PG121SN1D |
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| BOOT | 1 | 8 | PH |
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| 40V |
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| C4333 | C4336 |
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| 22uF | 0.1uF |
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| 10V | 16V |
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| VIN | 2 | 7 | GND |
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| C4324 | C4326 |
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| EN |
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| COMP |
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| 10uF |
| 0.1uF |
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| 3 | 6 |
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| 35V |
| 50V |
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| 3A |
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| 1% | 820 | R4343 | |||||||||||||
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| SS/TR |
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| VSENSE |
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| C4332 | C4334 |
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| OPT |
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| 330K R4329 |
| 4 | 5 |
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| 47pF | 4700pF |
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| 50V | 50V |
| R1 |
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/USB_OCD1
USB_CTL1
+3.3V_NORMAL
R4327 | R4323 | |
10K | ||
10K | ||
OPT | ||
|
GND
1
IN_1
2
IN_2
3
ILIM_SEL
4
EN
5
IC4303
TPS2554
THERMAL | 11 |
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| [EP] |
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10 | FAULT |
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9 | OUT_2 |
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8 | OUT_1 |
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| C4323 |
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| 10uF |
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7 | ILIM0 |
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| 10V |
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6 | ILIM1 |
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| R4300 |
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| 1/10W | ||||
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| OPT R4341 | 27K |
| 1/10W | 27K |
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USB1
DVR Ready MAX 1.8A
1
| C4328 |
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| R4336 |
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| R4338 | OPT |
| 0.01uF |
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| 20K |
| 1% | 10K | C4338 | |
| 50V |
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| 1000pF | |||
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| 50V | |
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Vout=0.8*(1+R1/R2) |
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| R2 | 1% | 2K | R4339 |
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| R4332 |
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| IC4306 |
| 10K |
| POWER_ON/OFF2_4 | |||||
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| [EP]GND SN1104041, | USB SW |
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| C4300 |
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| 0.1uF |
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+12V |
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| 16V |
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V7V |
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| EN |
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| 24 |
| 1 |
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C4341 | AGND_3 | 25 | THERMAL |
| COMP | R4342 |
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4.7uF |
| 10K |
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USB_DM1
USB_DP1
+3.3V_NORMAL
|
| 2 |
| STREAM |
OPT | RCLAMP0502BA D4303 | 4 3 | 5 | USB DOWN |
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| L4306 | 10V | 23 | SN1104041 | 2 |
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| BLM18PG121SN1D |
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| 5% | C4340 | USB_DCDC_SN1104041 | ||
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| VIN_2 |
| SS | |||
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| 22 | 3 | C4342 | 4700pF | 0.01uF | |
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| 100pF | 50V | 50V | |
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| 50V |
| USB_DCDC_BD86180 | |
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| C4325 |
| VIN_1 | 4 | ROSC |
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| 21 |
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| 10uF |
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| USB_DCDC_SN1104041 |
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| 16V |
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| PGND_2 |
| EN_SW2 |
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| 5 |
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| 20 |
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| PGND_1 | 6 | EN_SW1 |
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| 19 | _ |
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| +5V_USB |
| BST | DCDC | 7 | NFAULT2 |
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| C4331 | 18 |
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| L4307 |
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| 0.1uF |
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| 3.6uH | LX_2 |
| NFAULT1 |
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| 16V | 8 |
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| 17 |
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DEV_USB_DCDC_BD86180 |
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| C4337 | C4301 |
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| +5V_USB_3 | |||
| BD86180MUV | [EP]GND |
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| LX_1 | USB_ |
| SW_OUT2 |
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EN | 1 |
| 24 | VREG | 22uF | 22uF | 16 | 9 |
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| THERMAL 25 |
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COMP | 2 | 23 | GND_3 | 10V | 10V |
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SS | 3 | 22 | VIN_2 |
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| SW_IN_3 |
| AGND_1 |
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RT | 4 | 21 | VIN_1 |
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| 10 |
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| 15 |
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CTL2 | 5 | 20 | PGND_2 |
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CTL1 | 6 | 19 | PGND_1 |
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FLG2 | 7 | 18 | BST |
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| SW_IN_2 |
| AGND_2 | +5V_USB_2 | |||
FLG1 | 8 |
| 17 | SW_2 |
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| 14 |
| 11 |
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USB_OUT2 | 9 |
| 16 | SW_1 |
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GND_1 | 10 |
| 15 | USB_IN_3 |
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| SW_IN_1 |
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| SW_OUT1 |
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GND_2 | 11 |
| 14 | USB_IN_2 |
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| 13 |
| 12 |
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USB_OUT1 | 12 |
| 13 | USB_IN_1 |
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R4301 10K
R4302 10K
R4303 10K
OPT | 10K |
R4304 |
OPT
USB_CTL2
/USB_OCD2
USB_DM2
USB_DP2
+5V_USB_2
C4322
10uF
10V
USB2
MAX 1.5A
|
| 1 |
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| 2 |
| STREAM |
OPT | RCLAMP0502BA D4302 | 4 3 | 5 | USB DOWN |
ESD for MTK | ESD for LG1152 | |
| LG1152 | RCLAMP0502BA |
| ESD |
|
+5V_USB_3
C4310
10uF
10V
USB3
MAX 1.5A
|
| 1 |
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| 2 |
| STREAM |
OPT | RCLAMP0502BA D4300 | 4 3 | 5 | USB DOWN |
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| LG1152 | RCLAMP0502BA |
|
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| ESD |
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| LG1152 | RCLAMP0502BA | ||
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| ESD |
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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
From SoC
USB_DM3
USB_DP3
USB_CTL3WIFI_DM
/USB_OCD3
WIFI_DP
USB_WIFI
+5V_USB
L4302
|
| BLM18PG121SN1D |
|
|
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|
| ||||
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| C4339 |
|
|
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| C4319 |
|
| C4321 |
| MAX 0.4A | ||||||
|
| 16V |
| 0.1uF | 10uF | 10uF |
| ||||||
|
| 0.1uF |
| C4320 |
|
|
|
|
|
|
| ||
|
| WIFI |
| 16V | 10V | 10V |
|
|
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|
| ||
|
|
| WIFI | WIFI | WIFI |
|
|
| P4301 | ||||
|
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| ||
|
|
| For | EMI |
|
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| ||||
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| ||||
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| WIFI | |
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| VDD | ||
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| 1 |
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| DM | ||
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| 2 |
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| DP | ||
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| 3 |
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| GND | ||
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| 4 |
| |
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| 5 | ||
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| . |
| ||
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USB3_HUB_WiFi | 2011.10.26 |
43
Copyright © 2012 LG Electronics. Inc. All rights reserved. | LGE Internal Use Only |
Only for training and service purposes |
|