LTC3300-2_15 Datasheet, PDF (3/42 Pages) Linear Technology – Addressable High Efficiency Bidirectional Multicell Battery Balancer

LTC3300-2
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range,
C3 = 10.8V, C2 = 7.2V, C1 =
otherwise
3.6V, V^– =
specifications are at T_A = 25°C.
0V, unless otherwise noted.
(Note
2)
BOOST⁺
=
25.2V,
C6
=
21.6V,
C5
=
18V,
C4
=
14.4V,
SYMBOL
PARAMETER
CONDITIONS
MIN
DC Specifications
I_{Q_SD}
Supply Current When Not
Measured at C1, C2, C3, C4, C5
Balancing (Post Suspend or Pre Measured at C6
6
First Execute)
Measured at BOOST⁺
I_{Q_ACTIVE}
Supply Current When Balancing
(Note 3)
Balancing C1 Only (Note 4 for V^–, C2, C6)
Measured at C1
Measured at C2, C3, C4, C5
Measured at C6
Measured at BOOST⁺
Balancing C2 Only (Note 4 for C1, C3, C6)
Measured at C1
–105
Measured at C2
Measured at C3, C4, C5
Measured at C6
Measured at BOOST⁺
Balancing C3 Only (Note 4 for C2, C4, C6)
Measured at C1, C4, C5
Measured at C2
–105
Measured at C3
Measured at C6
Measured at BOOST⁺
Balancing C4 Only (Note 4 for C3, C5, C6)
Measured at C1, C2, C5
Measured at C3
–105
Measured at C4
Measured at C6
Measured at BOOST⁺
V_CELL|MIN
Balancing C5 Only (Note 4 for C4, C6)
Measured at C1, C2, C3
Measured at C4
–105
Measured at C5
Measured at C6
Measured at BOOST⁺
Balancing C6 Only (Note 4 for C5, C6, BOOST⁺)
Measured at C1, C2, C3, C4
Measured at C5
–105
Measured at C6
Measured at BOOST⁺ (BOOST = V^–)
Measured at BOOST⁺ (BOOST = V_REG)
Minimum Cell Voltage (Rising) Cn to Cn – 1 Voltage to Balance Cn, n = 2 to 6
Required for Primary Gate Drive C1 Voltage to Balance C1
l 1.8
l 1.8
Cn + 1 to Cn Voltage to Balance Cn, n = 1 to 5
l 1.8
BOOST⁺ to C6 Voltage to Balance C6, BOOST = V^– l 1.8
V_{CELL|MIN(HYST)} V_CELL|MIN Comparator Hysteresis
V_CELL|MAX
Maximum Cell Voltage (Rising)
Before Disabling Balancing
C1, Cn to Cn – 1 Voltage to Balance Any Cell,
n = 2 to 6
l 4.7
V_{CELL|MAX(HYST)} V_CELL|MAX Comparator Hysteresis
V_{CELL|RECONNECT} Maximum Cell Voltage (Falling) to
Re-Enable Balancing
l 4.25
V_REG
V_REG|POR
Regulator Pin Voltage
V_REG Voltage (Rising) for
Power-On Reset
9V ≤ C6 ≤ 36V, 0mA ≤ I_LOAD ≤ 20mA
l 4.4
V_REG|MIN
Minimum V_REG Voltage (Falling) V_REG Voltage to Balance Cn, n = 1 to 6
for Secondary Gate Drive
l 3.8
TYP MAX UNITS
0
1
µA
14
22
µA
0
10
µA
250
375
µA
70
105
µA
560
840
µA
0
10
µA
–70
µA
250
375
µA
70
105
µA
560
840
µA
0
10
µA
70
105
µA
–70
µA
250
375
µA
560
840
µA
0
10
µA
70
105
µA
–70
µA
250
375
µA
560
840
µA
0
10
µA
70
105
µA
–70
µA
250
375
µA
560
840
µA
0
10
µA
70
105
µA
–70
µA
740 1110
µA
60
90
µA
0
10
µA
2
2.2
V
2
2.2
V
2
2.2
V
2
2.2
V
70
mV
5
5.3
V
0.5
V
V
4.8
5.2
V
4.0
V
V
33002f
For more information www.linear.com/LTC3300-2
3