BTS3205G Infineon Technologies, BTS3205G Datasheet - Page 15

• Manufacturer Part Number: BTS3205G
• Description: IC SWITCH PWR LOSIDE DSO-8
• Manufacturer: Infineon Technologies
• Series: HITFET®r
• Type: Low Sider

Specifications of BTS3205G

• Package / Case: DSO-8
• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 700 mOhm
• Current - Output / Channel: 350mA
• Current - Peak Output: 900mA
• Voltage - Supply: 2.2 V ~ 10 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• On Resistance (max): 0.9 Ohms
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 40 C
• Maximum Power Dissipation: 780 mW
• Mounting Style: SMD/SMT
• Switch Type: Low Side
• Power Switch Family: BTS3205G
• Input Voltage: 10V
• Power Switch On Resistance: 900mOhm
• Output Current: 350mA
• Mounting: Surface Mount
• Package Type: DSO
• Operating Temperature (min): -40C
• Operating Temperature (max): 150C
• Operating Temperature Classification: Automotive
• Pin Count: 8
• Power Dissipation: 780W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: BTS3205G; BTS3205GTR; SP000237784

6
The device provides embedded protection functions. Integrated protection functions are designed to prevent IC
destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal
operation.
6.1
The device is protected against over temperature due to overload and / or bad cooling conditions. To ensure this
a temperature sensor located in the Power MOSFET is used.
The BTS3205G has a thermal auto-restart function. After the device has cooled down it will switch on again see
Figure
Figure 12
6.2
When switching off inductive loads with low-side switches, the Drain-Source voltage
potential, because the inductance intends to continue driving the current.
Figure 13
The BTS3205G is equipped with a voltage clamp mechanism that keeps the Drain-Source voltage
level. See
Data Sheet
12.
Figure 13
Protection Functions
Thermal Protection
Error Signal via Input Current at Thermal Shutdown
Overvoltage Protection
Output Clamp
5V
0
T
I
I
INf
IS
JSD
I
0
IN
T
IN
J
and
∆T
Figure 14
JSD
for more details.
Thermal shutdown
restart
Drain
Source
15
Protection FunctionsThermal Protection
OutputClamap.emf
Smart Low-Side Power Switch
Thermal_fault_autorestart.emf
V
D
Rev. 1.0, 2007-12-06
rises above battery
t
t
t
V
BTS3205G
D
at a certain