Datasheet

NXP Semiconductors
FRDM33772BSPIEVB
Featuring the MC33772B battery cell controller IC
FRDM33772BSPIEVBUG All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
User guide Rev. 1.0 — 22 June 2018
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Test-point name Signal name Description
POS_BAT V
BAT
Positive V
BAT
VPWR VPWR Power input to the device
VANA VANA Precision ADC analog supply output
VCOM VCOM Communication regulator output
VCP VCP VCP regulator output
VPRE VPRE VPRE regulator output
4.8 Connectors
Figure 5 shows the location of connectors on the board. The following tables list the
pinouts for each connector.
Figure 5. Connectors
Table 4. Cell connector (X1)
Pin # Connection Description
X1-2 VBAT MC33772B Power supply
X1-19
X1-20
CT_6
CB_6
Cell pin 6 input with external LPF resistor.
Cell balance driver. Terminate to cell 6 cell balance load resistor
X1-21
X1-22
CT_5
CB_6:5_C
Cell pin 5 input with external LPF resistor.
Cell balance 6:5 common. Terminate to cell 6 and 5 common pin
X1-23
X1-24
CT_4
CB_5/CB_4
Cell pin 4 input with external LPF resistor.
Cell balance driver. Terminate to cell 5 and 4 cell balance load resistor
X1-25
X1-26
CT_3
CB_4:3_C
Cell pin 3 input with external LPF resistor.
Cell balance 4:3 common. Terminate to cell 4 and 3 common pin
X1-27
X1-28
CT_2
CB_3/CB_2
Cell pin 2 input with external LPF resistor.
Cell balance driver. Terminate to cell 3 and 2 cell balance load resistor
X1-29
X1-30
CT_1
CB_2:1_C
Cell pin 1 input with external LPF resistor.
Cell balance 2:1 common. Terminate to cell 2 and 1 common pin