BTF50060-1TEA_11 Datasheet, PDF (34/38 Pages) Infineon Technologies AG – Smart High-Side Power Switch, One Channel

BTF50060-1TEA
Application Information
7
Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
V_bat
+5V
C VS
470 µ F
R _INPUT
VS
µC
IN
e .g.
10 k
OUT
X C 866
R SENSE
IS
10 k R _IS
GND
D₁
1k
Load
Figure 45
GND
a p p l_e xa mp le_ L.e mf
Application Diagram for switching an inductive load without external circuitry supporting
open load detection in OFF state
V_bat
+5 V
µC
e .g.
X C 866
C _VS
470 µ F
R _INPUT
IN
10 k
R _SENSE
IS
10 k R _IS
1k
T₁
VS
OUT
GND
R OL
3k3
D₁
R _{L_OL}
33 k
Load
GND
a p p l_ e xa mp le_ O L. e mf
Figure 46 Application Diagram with external circuitry supporting open load detection in OFF state
Note: This are very simplified examples of an application circuit. The function must be verified in the real
application.
Table 7 Typical Application Parameter¹⁾
Parameter
Symbol
Range of typical PWM
frequencies
f_PWM
Nominal Load Current
I_L(NOM)
Typical Values
0 Hz ... 33 kHz
16.5 A
Typical load current at 10 kHz I_L(10kHz)
11 A
Typical load current at 25 kHz I_L(25kHz)
7A
1) Values are calculated and not subject to production test.
Note / Condition
duty cycle = 0%, 10% ... 90%
T_A = 85°C, T_j < 150°C, R_thJA = 22K/W
DC operation or f_PWM < 1kHz; V_S = 19V
T_A = 85°C, T_j < 150°C, R_thJA = 22K/W
f_PWM = 10kHz, duty cycle = 95%,
V_S = 19V
T_A = 85°C, T_j < 150°C, R_thJA = 22K/W
f_PWM = 25kHz, duty cycle = 95%,
V_S = 19V,
Datasheet
Speed PROFET^TM
34
Rev. 1.2, 2011-09-01