*4
*4
R87 R88 1K 1K RES0603 RES0603 1-SDI_N 1-CS_N
1-VSS
1-SPI-MOSI 1-SPI-SCLK 1-SPI-SS 1-VSS
B
SCLK_N
ALERT_N
FAULT_N
CONV_N
DRDY_N
SD0_N
SDI_N
CS_N
P1 39502-1007_7-POS TP2
3
2-CELL4
CELL4
1 2 3 4 ISO/COMMS 5 VSIG FAULT ALERT DRDY 6 7 8 9 10
VSIG FAULT ALERT DRDY CONV GND MOSI MISO CS SCLK
4
2-CELL3
CELL3
5
2-CELL2
CELL2
6
2-CELL1
CELL1
ALERT_S
FAULT_S
CONV_S
DRDY_S
SCLK_S
SD0_S
SDI_S
1-FAULT_S
1-SDO_S
1-CONV_S
1-DRDY_S
#5 - THESE CAPACITORS ARE USED IN DESIGNS THAT HAVE HIGH NOISE LEVELS WHEN STACKING IC'S. USE 22pF - 100pF CAPS AS NEEDED
4
3
2 INDIVIDUAL GROUND PLANES ARE NECESSARY FOR PROPER NOISE REJECTION AND STABILITY OF THESE CIRCUITS
LTR
1
REVISION RECORD ECO NO: APPROVED: DATE:
#4
P10 2 4 6 8 10 10P/DIL
3-VBAT [1,4]
3-VBAT [1,4]
D
#5 - THESE CAPACITORS ARE USED IN DESIGNS THAT HAVE HIGH NOISE LEVELS WHEN STACKING IC'S. USE 22pF - 100pF CAPS AS NEEDED (33pF 50V 0603 NPO 10% ARE THE DEFAULT CAPACITORS)
1 JP6 2P/SIP JP5 2P/SIP JP4 2P/SIP JP3 2P/SIP JP2 2P/SIP JP1 2P/SIP R80 1K 0.1% RES0805 R72 1K 0.1% RES0805 R65 1K 0.1% RES0805 R54 1K 0.1% RES0805 R50 1K 0.1% RES0805 R44 1K 0.1% RES0805
6
1-CELL1
CELL1 SPI-SCLK
7 TP1
1-CELL0
CELL0
SPI-SS
J5- PART NUMBER CUI INC. PJ-102A 2.1MM PCB MOUNT JACK
FIDUCIAL_MARK TPA FIDUCIAL_MARK TPB FIDUCIAL_MARK TPC
1-VSS
1-ALERT_S
2
1-CELL5
3
1-CELL4
DNP
1-VSS
CELL4
DRDY CONV
EXTERNAL POWER 5VDC @200mA
X3 X4
4
1-CELL3
CELL3
5
1-CELL2
CELL2
SPI-MISO SPI-MOSI
1-SPI-MISO 1-SPI-MOSI 1-SPI-SCLK 1-SPI-SS
1-CELL6
CELL6 CELL5
*4 - LOCATE THESE RESISTORS CLOSE TO THE MOST SOUTH IC
BQ76PL536_CIRCUIT1 SHEET-2
GPIO FAULT ALERT
1-GPIO 1-FAULT 1-ALERT 1-DRDY/TX 1-CONV/RX
3-VBAT VBAT 3-CELL6 CELL6
SDI_N
CS_N
3-CS_N
SHUNT, ECON, TIN, BLACK MOLEX part number# 90059-0007 Distributor - Digikey
CELL 18 + CELL 17 + CELL 16 + CELL 15 + CELL 14 + CELL 13 + CELL 13 -
NORTH
DNP
1 3 5 7 9
CAUTION HIGH VOLTAGE
NOTE: The ground reference per circuit block is unique The most negative connection of CELL0 is the ground reference for each chip.
DO NOT connect ground references from different chips Only the ground reference CELL0 of circuit 1 is safe to connect non-isolated test equipment grounds. D
P5 10P/DIL 1 3 5 7 9
SCL SDA MISO SCLK CS
GND 5VDC 5VDC MOSI GND
2 4 6 8 10

B
1-VSS
*4
1-ALERT_N 1-FAULT_N 1-CONV_N 1-DRDY_N R85 1K RES0603
*4
R86 1K RES0603 1-SCLK_N 1-SDO_N
1 JP12 2P/SIP JP11 2P/SIP JP10 2P/SIP JP9 2P/SIP JP8 2P/SIP JP7 2P/SIP R131 1K 0.1% RES0805 R128 1K 0.1% RES0805 R121 1K 0.1% RES0805 R119 1K 0.1% RES0805 R116 1K 0.1% RES0805 R112 1K 0.1% RES0805
2-ALERT_S
2-FAULT_S
2-SCLK_S
2-SDO_S
R90 DNP RES0603 R89 0R0 RES0603 2-VSS
CONV SHEET-5 1-FAULT 1-ALERT 2-VSS C54 0.0033uf 50V CAP0603 1-DRDY/TX 1-CONV/RX 1-SPI-MISO USB-5VDC I2C-SCL I2C-SDA SPI-MISO SPI-SCLK SPI-SS SPI-MOSI AGND AGND
#5
C123 DNP CAP0603
3-FAULT_N
3-SCLK_N
ALERT_N
CONV_N
DRDY_N
3-ALERT_N
3-CONV_N
3-DRDY_N
FAULT_N
SCLK_N
SDO_N
3-SDO_N
3-SDI_N
P3 39502-1007_7-POS TP6 1 JP18 2P/SIP JP17 2P/SIP JP16 2P/SIP JP15 2P/SIP JP14 2P/SIP JP13 2P/SIP R180 1K 0.1% RES0805 R177 1K 0.1% RES0805 R171 1K 0.1% RES0805 R166 1K 0.1% RES0805 R163 1K 0.1% RES0805 R155 1K 0.1% RES0805
ALERT_S CONV_S FAULT_S DRDY_S SCLK_S SDO_S SDI_S CS_S 3-CS_S
R152 0R0 RES0603
R149 DNP RES0603
3-CONV_S
3-DRDY_S
3-ALERT_S
3-FAULT_S
3-SCLK_S
3-SDO_S
C89 0.0033uf 50V CAP0603
R150 0R0 RES0603 3-VSS
3-SDI_S
GROUND PLANE OF CIRCUIT 3 GROUND PLANE OF CIRCUIT 2 *2
R145 1K RES0603
*1
*1
*1
*1
R159 1K RES0603
R156 R157 R158 1K 1K 1K RES0603 RES0603 RES0603
P2 39502-1007_7-POS TP4
R147 R148 1K 1K RES0603 RES0603 2-SDI_N 2-CS_N
C
ALERT_N
FAULT_N
CONV_N
DRDY_N
SCLK_N
2-VBAT
CELL 12 + CELL 11 + CELL 10 + CELL 9 + CELL 8 + CELL 7 + CELL 7 -
2
3-CELL5
CELL5
3
3-CELL4
CELL4 BQ76PL536_CIRCUIT3 SHEET-4
4
3-CELL3
CELL3
5
3-CELL2
CELL2
6
3-CELL1
CELL1
7 TP5
3-CELL0
CELL0
*1 - LOCATE THESE RESISTORS CLOSE TO THE MOST NORTH IC