Manual

SJ-PM-TFmini Plus-T-01 A04 Benewake (Beijing) Co. Ltd.
Page11
4 Electrical Characteristics
Table 4: Major Electrical Parameters of TFmini Plus
Description Parameter value
Supply voltage 5V±0.5V
Average current ≤110mA
Peak current 140mA
Average power 550mW
Communication level LVTTL（3.3V）
This product has no overvoltage nor polarity protection, so please make sure that connection and power
supply are normal. The fluctuation of the power supply voltage in a range of ±0.5V is allowable.
Average current varies along with the operating modes of the product in two patterns, more specifically, its
current is around 50mA under short distance mode and it is around 140mA under long distance mode.
5 Line Sequence and Data Communication Protocol
5.1 Description about Line Sequence and Connection
Table5: The Function and Connection Description of each pin
No. Color
Correspond
ing PIN
Funciton Comment
①
Red PIN-1 +5V Power supply
②
White PIN-2 RXD/SDA Receiving/Data
③
Blue/Green PIN-3 TXD/SCL/IO Transmitting/Clock/IO
④
Black PIN-4 GND Ground
TFmini Plus has a 30cm long connecting wire with a GH1.25-4P (Molex51021-0400) connector. The
connecting wire can be extended as needs. To ensure effective data transmission, the length of connecting
wire should be short than 1m.
PIN-1
PIN-4