Schematic Lenovo IdeaPad Duet 5 CB 13Q7C6 Huaqin NB5050 V5 Schematic

[Salim Badakhshan]

Lenovo IdeaPad Duet 5 CB 13Q7C6 Huaqin NB5050 V5 Schematic

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Technical Specifications

Parameter	Value
Brand	Huaqin Telecom Technology Com., Ltd.
Project Name	A47C
Revision	V1.0
Date	Saturday, July 24, 2021
CPU Platform	SC7180
EC / KBC	NPCX7
RAM Type	LPDDR4X
RAM Architecture	LPDDR4X
WiFi / WLAN IC	WCN3990
Audio Codec	WCD9385
Charging IC	SMB1396
Charger Architecture	SMB1396
USB Hub IC	USB 3.0 HUB
HDMI Level Shifter	MIPI EDP BRIDGE
Card Reader IC	MICRO SD CARD
Fingerprint Sensor	FINGERPRINT/Key
Secure Element	H1 SECURE MICROCONTROLLER
Power Delivery Controller	POWER DELIVERY_CPU_PMIC
Battery Charger	POWER - BATTERY CHARGER
Audio Amplifier	SPEAKER AMPS
Audio Interface	AUDIO_HP+DMIC
Camera Interface	CSI CAMERA
Touch Controller	TOUCH, PEN
Sensor Hub	SENSORS
Servo Controller	SERVO, QC DEBUG HEADERS
SPI Flash	SPI FLASH
eMMC Storage	EMMC
UFS Storage	UFS
USB 3.0 Hub	USB 3.0 HUB
DP MUX	DP MUX
MIPI EDP Bridge	MIPI EDP BRIDGE
Micro SD Card Interface	TO DB(MICRO SD CARD)
Pogo Pins	Pogo
Power Source	5/3.3/1.8V/VBOB SOURCE
Mounting Holes	MTG HOLES,SHIELDS,RF CLIPS

Technical Summary

This Huaqin A47C motherboard, revision V1.0 dated July 24, 2021, is built around the Qualcomm SC7180 CPU platform. The system memory architecture is LPDDR4X. Power management is handled by the PMC7180 and PM6150L PMICs. The embedded controller is an NPCX7. The audio subsystem utilizes a WCD9385 codec with dedicated speaker amplifiers. Wireless connectivity is provided by a WCN3990 module