Applied Measurements Limited
B24 Telemetry User Manual
71
Power Supply Modules
T24-BC1
Overview
The T24-BC1 is a battery charger and power supply suitable for the 3V transmitter modules. The T24 Battery
Charger is designed to supply a constant 3.3 V from a Li-ion Battery while also charging the battery from an input
voltage. The unit comes pre-configured to provide a charging current of 466 mA suitable for VARTA LIP653450.
This module also supports additional batteries providing a charge current of 133 mA via the removal of the
leaded resistor (non surface mount).
Physical Connections
Specification
Parameter
Min
Typ
Max
Units
Supply Voltage
4.1
5
6
Vdc
Regulated Voltage Output
-
3.3
-
Vdc
Battery positive connection
-
3.7
-
Vdc
Maximum Cable Length
-
150 *
mm
Quiescent Current
1.7
μA
* 07/02 gauge wire attached to maximum load i.e. B24 module with four 350 ohm strain gauges
Note LED will only be lit when an input voltage is applied