Analog Devices ADP50460008 Owner's Manual page 12

ADP50460008
Pin
No. Mnemonic Description
4A VIN5 Input Power Supply for Channel 5 (Load Switch).
4B LSTR7 LED String Sink for Channel 7 (Boost Regulator and LED Driver). This pin connects to the cathode side of the LED string.
Connect this pin to ground if Channel 7 is not used.
4C TEST4 Test Pin. Connect to ground.
4D VDDIO Supply Voltage for the I
4E SDA Data Input/Output for the I
4F TEST1 Test Pin. Connect to ground.
4G POCO RESET Output for Sub-CPU. Leave this pin open if POCO is not used. This pin is also a VREGO domain CMOS output.
4H SW4 Switching Node for Channel 4 (Buck Regulator).
5A VOUT5 Output Voltage for Channel 5 (Load Switch).
5B DL3 Channel 3 External FET Gate Driver. Leave this pin open if the external NFET is not used.
5C TEST3 Test Pin. Connect to ground.
5D GND Ground.
5E SCL Clock Input for the I
5F VBATT Power Supply Input for the Internal Circuits.
5G CLKO 32 kHz Clock Buffered Output. Leave this pin open if the 32 kHz output is not used. This pin is also a VREGO domain
CMOS output.
5H PVIN4 Input Power Supply for Channel 4 (Buck Regulator).
6A PGND3 Power Ground for Channel 3 (Buck Regulator).
6B PGND3 Power Ground for Channel 3 (Buck Regulator).
6C FB3 Feedback for Channel 3 (Buck Regulator).
6D GND Ground.
6E VDD Power Supply. Connect to Channel 1 output through a 0.1 Ω/10 µF RC filter.
6F VREGO Keep Alive LDO Output.
6G RTCGND Ground for RTC. This pin is internally connected to GND. Do not connect this pin to the power ground plane of the PCB.
6H XOUT Real-Time Clock Crystal Driver Output. Bypass with a compensation capacitor to RTCGND. Connect this pin to ground
if the 32 kHz oscillator is not used.
7A SW3 Switching Node for Channel 3 (Buck Regulator).
7B SW3 Switching Node for Channel 3 (Buck Regulator).
7C VIN8 Power Supply Input for Channel 8 (LDO Regulator). Connect this pin to ground if Channel 8 is not used.
7D VOUT1 Output Voltage for Channel 1 (Boost Regulator).
7E SW1 Switching Node for Channel 1 (Boost Regulator).
7F SW1 Switching Node for Channel 1 (Boost Regulator).
7G PGND1 Power Ground for Channel 1 (Boost Regulator).
7H XIN Real-Time Clock Crystal Driver Input. Bypass with a compensation capacitor to RTCGND. Connect this pin to ground
if the 32 kHz oscillator is not used.
8A PVIN3 Input Power Supply for Channel 3 (Buck Regulator).
8B PVIN3 Input Power Supply for Channel 3 (Buck Regulator).
8C VOUT8 Output Voltage for Channel 8 (LDO Regulator). Leave this pin open if Channel 8 is not used.
8D VOUT1 Output Voltage for Channel 1 (Boost Regulator).
8E SW1 Switching Node for Channel 1 (Boost Regulator).
8F SW1 Switching Node for Channel 1 (Boost Regulator).
8G PGND1 Power Ground for Channel 1 (Boost Regulator).
8H BU3INT Power Supply for the Real-Time Clock XTAL Oscillator and Associated Logic. Connect a capacitor of 1 µF minimum to
RTCGND. If the 32 kHz oscillator is not used, leave this pin open with only the capacitor connected.
2
C Interface. This pin is typically connected externally to the Channel 2 output.
2
C Interface.
2
C Interface.
Rev. Sp0 | Page 12 of 60
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