LTC3305_15 Datasheet, PDF (28/28 Pages) Linear Technology – Lead-Acid Battery Balancer

LTC3305
Typical Application
A Minimum Component Application in Which an LED is Used to Display Status
1µF
6V
100Ω
10nF
12.1k
10µF
25V
V_REG
EN1
EN2
MODE
TERM1
TERM2
UVFLT
OVFLT
DONE
BAL
PTCFLT
BATX
BATY
CM
CP
LTC3305
BOOST
V4
V3
V2
CTON
V1
CTOFF
CTBAT
9
NGATE1-9
V_L
AUXP
V_H
I_SET
AUXN
GND
D1, D2 = CMMSH1-100
D1
249Ω
10µF
25V
1.33k
D2
10µF
25V
10µF
25V
10µF
25V
10µF
25V NGATE6
NGATE7
PTC
10µF ₊
25V
AUX
6.04k
6.04k
6.04k
NGATE5
6.04k
NGATE4 +
BAT4
3.01k
NGATE3
+
BAT3
NGATE2
6.04k
+
BAT2
6.04k
6.04k
NGATE1
6.04k
ALL NMOS
DEVICES = SiR882DP
+
BAT1
NGATE8
NGATE9
3305 TA02
Related Parts
PART NUMBER
LTC3300-1
LTC3300-2
LT8584
LTC4020
LTC4000
LTC3630A
LTC2946
DESCRIPTION
High Efficiency Bidirectional Multicell Battery Balancer
2.5A Monolithic Active Cell Balancer with Telemetry
Interface
55V Buck-Boost Multi-Chemistry Battery Charger
High Voltage High Current Controller for Battery Charging
and Power Management
High Efficiency, 65V 500mA Synchronous Step Down
Converter
Wide Range I²C Power, Charge and Energy Monitor
COMMENTS
Balances Up to 6 Li-Ion Batteries Per IC. Stackable to Balance Large
Battery Stacks
Integrated 6A, 50V Switch. Stackable to Balance Large Battery Stacks
Capable of Charging 4 Lead-Acid Batteries up to 55V
Complete High Performance Battery Charger When Paired with a DC/DC
Converter
Efficiently Generates a Low Voltage Rail. Synchronous Operation for high
Efficiency
Measures Current, Voltage, Power, Charge and Energy in a Battery Stack
up to 100V
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3305}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3305
3305f
LT 0115 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2015