A4926 Datasheet, PDF (6/36 Pages) Allegro MicroSystems – Automotive Half-Bridge MOSFET Driver

A4926
Automotive Half-Bridge MOSFET Driver
ELECTRICAL CHARACTERISTICS: Valid for T_J = –40 to 150°C, V_BB = 5.5 to 50 V, unless otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
SUPPLY AND REFERENCE
Operating; outputs active
5.5
–
50
V
VBB Functional Operating Range
V_BB
Operating; outputs disabled
No unsafe states
5
–
50
V
0
–
50
V
VBB Quiescent Current
Internal Logic Supply Regulator
Voltage [3][4]
I_BBQ
RESETn = high, V_BB = 12 V,
All gate drive outputs low
I_BBS
RESETn ≤ 300 mV, sleep mode, V_BB < 35 V
V_DL
–
6
20
mA
–
–
20
µA
3.1
3.3
3.5
V
VREG Output Voltage, VRG = 0
VREG Output Voltage, VRG = 1
Bootstrap Diode Forward Voltage
Bootstrap Diode Current Limit
Top-Off Charge Pump Current Limit
High-Side Gate Drive Static Load
Resistance
V_REG
V_REG
V_fBOOT
I_DBOOT
I_TOCPM
R_GSH
V_BB > 7.5 V, I_VREG = 0 to 30 mA
6 V < V_BB ≤ 7.5 V, I_VREG = 0 to 13 mA
5.5 V < V_BB ≤ 6 V, I_VREG < 8 mA
V_BB > 9 V, I_VREG = 0 to 30 mA
7.5 V < V_BB ≤ 9 V, I_VREG = 0 to 20 mA
6 V < V_BB ≤ 7.5V, I_VREG ≤ 0 to 13mA
5.5 V < V_BB ≤ 6 V, I_VREG < 8 mA
I_D = 10 mA
I_D = 100 mA
7.5
8
8.5
V
7.5
8
8.5
V
7.5
8
8.5
V
9
11
11.7
V
9
11
11.7
V
7.9
–
–
V
7.9
9.5
–
V
0.4
0.7
1.0
V
1.2
1.9
2.5
V
250
500
750
mA
50
100
–
µA
250
–
–
kΩ
System Clock Period
t_OSC
42.5
50
57.5
ns
Continued on the next page…
Allegro MicroSystems, LLC
6
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com