ltc4058x-4.2 Linear Technology Corporation, ltc4058x-4.2 Datasheet - Page 2

• Manufacturer Part Number: ltc4058x-4.2
• Description: Ltc4058x-4.2 - Standalone Linear Li-ion Battery Chargers With Thermal Regulation In Dfn
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LTC4058-4.2/LTC4058X-4.2
(Note 1)
Input Supply Voltage (V
PROG ............................................. – 0.3V to V
BAT, BSENSE .............................................. –0.3V to 7V
CHRG, ACPR, EN ...................................... –0.3V to 10V
BAT Short-Circuit Duration .......................... Continuous
BAT Pin Current ........................................................ 1A
PROG Pin Current ................................................... 1mA
Maximum Junction Temperature .......................... 125 C
Operating Temperature Range (Note 2) .. – 40 C to 85 C
Storage Temperature Range ................. – 65 C to 125 C
temperature range, otherwise specifications are at T
SYMBOL
V
I
V
I
I
I
V
V
V
V
V
V
R
V
I
V
V
V
ELECTRICAL CHARACTERISTICS
2
CC
BAT
BSENSE
TRIKL
TERM
CC
FLOAT
TRIKL
TRHYS
UV
UVHYS
EN(IL)
EN(IH)
ASD
PROG
CHRG
ACPR
EN
V
RECHRG
PARAMETER
Input Supply Voltage
Input Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
BSENSE Pin Current (Note 5)
Trickle Charge Current
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
V
V
EN Pin Input Low Voltage
EN Pin Input High Voltage
EN Pin Pull-Down Resistor
V
C/10 Termination Current Threshold
PROG Pin Voltage
CHRG Pin Output Low Voltage
ACPR Pin Output Low Voltage
Recharge Battery Threshold Voltage
CC
CC
CC
Undervoltage Lockout Voltage
Undervoltage Lockout Hysteresis
– V
BSENSE
W
Lockout Threshold
CC
) ....................... –0.3V to 10V
W W
CONDITIONS
Charge Mode (Note 4), R
Standby Mode (Charge Terminated)
Shutdown Mode (EN = 5V, V
or V
0 C T
R
R
Standby Mode, V
Shutdown Mode (EN = 5V, V
V
Sleep Mode, V
V
R
R
From V
V
V
R
R
R
I
I
V
CHRG
ACPR
U
CC
BSENSE
CC
CC
FLOAT
PROG
PROG
PROG
PROG
PROG
PROG
PROG
A
CC
< V
from Low to High
from High to Low
CC
= 25 C. V
= 5mA
= 5mA
= 10k (I
< V
= 10k, Current Mode
= 2k, Current Mode
= 10k, V
= 10k (Note 6)
= 2k (I
= 10k, Current Mode
CC
– V
A
UV
< V
+ 0.3V
)
Low to High
UV
RECHRG
The
85 C, 4.3V < V
TRIKL
)
CHG
CC
CHG
BSENSE
CC
, R
BSENSE
= 0V
, 0 C T
= 500mA)
denotes specifications which apply over the full operating
= 100mA) (Note 7)
= 5V, unless otherwise noted.
PROG
Rising (Note 6)
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
= 4.2V
PROG
= 2k (Note 6)
BSENSE
CC
A
CHRG
8-LEAD (3mm 3mm) PLASTIC DFN
GND
CC
CC
T
< 6.5V
BAT
JMAX
85 C
EXPOSED PAD IS GROUND (PIN 9)
= 10k
< V
< V
MUST BE SOLDERED TO PCB
= 125 C,
1
2
3
4
BSENSE
BSENSE
DD PACKAGE
TOP VIEW
or
JA
9
= 40 C/W (NOTE 3)
8
7
6
5
EN
ACPR
V
PROG
CC
4.158
0.085
0.085
4.25
0.93
MIN
465
150
2.8
3.7
0.4
1.2
93
30
60
70
60
5
U
DD PART MARKING
–2.5
0.10
0.10
0.35
0.35
LTC4058EDD-4.2
LTC4058XEDD-4.2
TYP
200
100
500
200
100
100
0.3
4.2
2.9
3.8
0.7
0.7
25
45
80
30
2
1
1
1
ORDER PART
NUMBER
W
LAEV
LBDH
4.242
0.115
0.115
MAX
3.92
1.07
500
107
535
110
300
140
140
6.5
0.6
0.6
–6
50
60
50
1
3
1
5
2
2
sn405842 405842fs
mA/mA
mA/mA
UNITS
U
M
mA
mA
mA
mA
mV
mV
mV
mV
mV
V
A
A
V
A
A
A
V
V
V
V
V
V
V