TLE7241E Datasheet, PDF (54/71 Pages) Infineon Technologies AG – Dual Channel Constant Current Control Solenoid Driver

TLE 7241E
Functional Description and Electrical Characteristics
Table 2
Average Output Current Key (typical) - Partial Table (cont’d)
COR Hex d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 Average Load Load
Switch Current Current
Point with 1 Ω with
[mV] Sense 0.68 Ω
Resistor Sense
[mA] Resistor
[mA]
0 340 1 1 0 1 0 0 0 0 0 0 999.38 999.38 1469.67
…
1) _{3D3 1 1 1 1 0 1 0 0 1 1 1175.95 1175.95 1729.33}
1) _{3D4 1 1 1 1 0 1 0 1 0 0 1177.15 1177.15 1731.10}
1) _{3D5 1 1 1 1 0 1 0 1 0 1 1178.35 1178.35 1732.87}
1) _{3D6 1 1 1 1 0 1 0 1 1 0 1178.35 1178.35 1732.87}
1 3D7 1 1 1 1 0 1 0 1 1 1 1178.35 1178.35 1732.87
…
1 3FC 1 1 1 1 1 1 1 1 0 0 1178.35 1178.35 1732.87
1 3FD 1 1 1 1 1 1 1 1 0 1 1178.35 1178.35 1732.87
1 3FE 1 1 1 1 1 1 1 1 1 0 1178.35 1178.35 1732.87
1 3FF 1 1 1 1 1 1 1 1 1 1 1178.35 1178.35 1732.87
1) COR state dependent on the switching hysteresis value.
SP_AVG
=
r--e----g---i--s---t-e----r---v---a----l-u---e-- _{× 1230 mV}
2¹⁰
(5)
I_AVG
=
r--e----g---i--s---t-e----r---v---a----l-u---e-- _{× --}1_---2_----3_---0_---
2¹⁰
R_sense
mA
(6)
Note: When a new average current command or hysteresis setting is received, the new
data is loaded immediately with the rising edge of CSB (not synchronized with the
dither waveform). The dither waveform is not reset when the new average current
command or hysteresis setting is received.
Data Sheet
54
Rev. 1.1, 2009-01-19