BUK3F00-50WDXX Datasheet, PDF (33/52 Pages) NXP Semiconductors – Controller for TrenchPLUS FETs

NXP Semiconductors
BUK3F00-50WDxx
Controller for TrenchPLUS FETs
[6] If R_flt(CP) is not connected, then connect V_BAT directly with a short. If required, the charge pump can also be supplied directly from V_BAT.
Table 23. TrenchPLUS FET connections per channel
Connection
Description
Gate
gate of the output power MOSFET switch
Drain
drain of the output power MOSFET switch
Source
source of the output power MOSFET switch
Kelvin
kelvin source connection for current measurement
Sense
analog current measurement cell of the MOSFET switch (provides input for digital and analog current
measurement)
Anode
temperature sense diode (electrically isolated from other connections)
Cathode
temperature sense diode (electrically isolated from other connections); connect to GND
13. Limiting values
Table 24. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
P_tot
total power dissipation
T_j
junction temperature
T_stg
storage temperature
Power supplies
T_amb ≤ 85 °C
V_BAT
battery supply voltage
V_CC(MOD)
module supply voltage
V_BAT(CP)
charge pump battery supply voltage
V_CC(DIGC)
digital core supply voltage
V_CC(LOG)EXT
external logic supply voltage
V_CC(MEASC)
measure circuit supply voltage
∆V_{VBAT-VBAT(CP)} voltage difference between pin V_BAT
and pin V_BAT(CP)
Ground levels^[5]
∆V_GND(bat-cp)
ground voltage difference from battery GND to GND(CP)
to charge pump
∆V_GND(bat-log)
ground voltage difference from battery GND to GND(DIGC)
to logic
∆V_GND(cp-log)
ground voltage difference from charge GND(CP) to GND(DIGC)
pump to logic
FET connection pins
V_x
voltage on pin x
pins GATE, KELVIN, SENSE
pin ANODE
∆V
voltage difference
between pins KELVIN and V_BAT
between KELVIN pins of 2
channels and between SENSE
pins of 2 channels
Min
-
[1] _−40
−40
[2] _−32
−0.5
−32
−0.5
[3] _−0.5
−0.5
[4] _−0.5
−0.5
−0.5
−0.5
−32
−0.5
−60
−60
Max
1
+150
+150
+60
+60
+60
+60
+5.5
+7
+0.5
+0.5
+0.5
+0.5
+60
+7
+2
+60
Unit
W
°C
°C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
BUK3F00-50WDXX_4
Product data sheet
Rev. 04 — 4 September 2008
© NXP B.V. 2008. All rights reserved.
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