Smart Battery Connector - Seco Smarc CSM-B79 User Manual

2.3 Electrical Specifications
CSM-B79 board needs to be supplied with a single voltage in the range 9V
connected peripherals are derived from the main V
Power IN Connector
Pin Signal Pin
1 GND 2
3 VIN 4

2.3.1 Smart Battery Connector

It is possible to supply the board also by using external SMART batteries. Input voltage range, in this case, must be in the range 6..17V
SMART Battery Connector
Pin Signal
1 VBAT
2 VBAT
3 N.C.
4 SMB_CLK_BAT
5 SMB_DAT_BAT
6 SAFETY
7 GND
8 GND
CSM-B79
CSM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: A.R - Reviewed by S.R. - Copyright © 2021 SECO S.p.A.
power rail.
IN
The power connector is type Molex Mini-Fit Jr connector, type MOLEX p/n 39-28-
CN3
1043 or equivalent.
Signal
The pin-out is indicated in the table here on the left, and the mating connector is
MOLEX p/n 39-01-2040 or equivalent with crimp terminals series 5556/44476.
GND
VIN
To do this, a 8-pin male connector is provided, type HR p/n A2001WR-S-08PD01 or equivalent, with
CN6
pinout shown in the table on the left.
Mating connector: JST PHR-8 crimp housing with JST SPH-002T-P0.5L crimp terminals.
SMB_CLK_BAT: Smart Battery System Management bus bidirectional clock line, +3.3V_DSW electrical level with
2. , derived by I2C_PM_CK signal
SMB_DAT_BAT: Smart Battery System Management bus bidirectional data line, +3.3V_DSW electrical level with
pull up resistor, derived by I2C_PM_DAT signal
SAFETY: Smart Battery System Management safety input signal, used to communicate critical errors and/or safety
mechanisms to prevent over-charging, over-discharging, over-temperature and other conditions that are dangerous or
could adversely affect battery longevity. This signal goes directly from the battery to the on-board charger.
.. + 24V . All the others voltages necessary for the working of the board and of the
DC DC
.
DC
18