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Datasheet> All Categories > Battery management> LTC4009IUF#TRPBF
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LTC4009IUF#TRPBF

Description
Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V Automotive 20-Pin QFN EP T/R
CategoryBattery management   
File Size339KB，28 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC4009IUF#TRPBF Overview

Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V Automotive 20-Pin QFN EP T/R

LTC4009IUF#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
TypeSwitching Battery Charger
Battery TypeLead-Acid|Li-FePO4|Li-Ion|Li-Pol|NiCd|NiMH
Maximum Supply Current (mA)2
Minimum Operating Supply Voltage (V)6
Maximum Operating Supply Voltage (V)28
Output Voltage (V)2 to 28
Output Current (mA)8000(Max)
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
Supplier Temperature GradeIndustrial
PackagingTape and Reel
Pin Count20
Standard Package NameQFN
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length4
Package Width4
PCB changed20
Lead ShapeNo Lead

LTC4009IUF#TRPBF Preview

FeaTures
n
n
n
n
n
LTC4009
LTC4009-1/LTC4009-2
High Efficiency,
Multi-Chemistry
Battery Charger
DescripTion
The LTC
®
4009 is a constant-current/constant-voltage
battery charger controller. It uses a synchronous quasi-
constant frequency PWM control architecture that will
not generate audible noise with ceramic bulk capacitors.
Charge current is set by the combination of external
sense, input and programming resistors. With no built-in
termination, the LTC4009 family charges a wide range of
batteries under external control.
The LTC4009 features a fully adjustable output voltage, while
the LTC4009-1 and LTC4009-2 can be pin-programmed for
lithium-ion/polymer battery packs of 1-, 2-, 3- or 4-series
cells. The LTC4009-1 provides output voltage of 4.1V/cell,
and the LTC4009-2 is a 4.2V/cell version.
The device includes AC adapter input current limiting which
maximizes the charge rate for a fixed input power level. An
external sense resistor programs the input current limit, and
the
ICL
status pin indicates when the battery charge current
is being reduced as a result of AC adapter current limiting.
The
CHRG
status pin is active during all charging modes,
including special indication for low charge current.
n
n
n
n
n
n
n
General Purpose Battery Charger Controller
Efficient 550kHz Synchronous Buck PWM Topology
±0.5% Output Float Voltage Accuracy
Programmable Charge Current: 4% Accuracy
Programmable AC Adapter Current Limit:
3% Accuracy
No Audible Noise with Ceramic Capacitors
Wide Input Voltage Range: 6V to 28V
Wide Output Voltage Range: 2V to 28V
Indicator Outputs for AC Adapter Present, Charging,
C/10 Current Detection and Input Current Limiting
Analog Charge Current Monitor
Micropower Shutdown
Thermally Enhanced 20-Pin 4mm
×
4mm
×
0.75mm
QFN Package
applicaTions
n
n
n
Notebook Computers
Portable Instruments
Battery Backup Systems
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
PowerPath and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners. Protected by U.S. Patents including 5723970.
Typical applicaTion
FROM
ADAPTER
13V TO 20V
33m
0.1µF
DCIN
14.3k
1.5k
CLP
0.1µF
5.1k
100
20µF
POWER TO
SYSTEM
Efficiency at DCIN = 20V
10000
95
EFFICIENCY (%)
90
85
80
75
70
POWER LOSS
V
OUT
= 12.3V
R
SENSE
= 33m
R
IN
= 3.01k
R
PROG
= 26.7k
D
IN
= SSB44
L = IHLP-2525CZ 6.8µH
0
0.5
1.0
1.5
2.0
CHARGE CURRENT (A)
2.5
1000
CLN
DCDIV BOOST
LTC4009
TGATE
CHRG
SW
INTV
DD
BGATE
GND
CSP
0.1µF
EFFICIENCY
POWER LOSS (mW)
TO/FROM
MCU
ACP
ICL
SHDN
ITH
6.04k
0.1µF
2µF
6.8µH
3.01k
33m
CSN
BAT
PROG
FBDIV
301k
V
FB
32.8k
3.01k
CHARGE
CURRENT
MONITOR
20µF
+
100
3.0
4.7nF
26.7k
12.3V
Li-Ion
BATTERY
4009 TA01a
4009 TA01b
4009fd

LTC4009
LTC4009-1/LTC4009-2
absoluTe MaxiMuM raTings
(Note 1)
DCIN, CLP, CLN or SW to GND................... –0.3V to 30V
CLP to CLN ............................................................±0.3V
CSP, CSN or BAT to GND ........................... –0.3V to 28V
CSP to CSN ............................................................±0.3V
BOOST to GND ........................................... –0.3V to 36V
BOOST to SW............................................... –0.3V to 7V
DCDIV,
SHDN,
FVS0, FVS1 or V
FB
to GND ... –0.3V to 7V
ACP, CHRG
or
ICL
to GND .......................... –0.3V to 30V
Operating Temperature Range
(Note 2) ............................................. –40°C to 125°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range .................. –65°C to 150°C
pin conFiguraTion
LTC4009
TOP VIEW
INTV
DD
BOOST
BGATE
TGATE
SW
LTC4009-1
LTC4009-2
BOOST
TOP VIEW
INTV
DD
BGATE
15 CSP
14 CSN
21
13 PROG
12 ITH
11 BAT
6
SHDN
7
ACP
8
CHRG
9 10
FVS0
FVS1
TGATE
SW
20 19 18 17 16
CLN 1
CLP 2
DCIN 3
ICL
4
DCDIV 5
6
SHDN
7
ACP
8
CHRG
9 10
FBDIV
V
FB
21
15 CSP
14 CSN
13 PROG
12 ITH
11 BAT
CLN 1
CLP 2
DCIN 3
ICL
4
DCDIV 5
20 19 18 17 16
UF PACKAGE
20-LEAD (4mm 4mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
UF PACKAGE
20-LEAD (4mm 4mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC4009CUF#PBF
LTC4009CUF-1#PBF
LTC4009CUF-2#PBF
LTC4009IUF#PBF
LTC4009IUF-1#PBF
LTC4009IUF-2#PBF
TAPE AND REEL
LTC4009CUF#TRPBF
LTC4009CUF-1#TRPBF
LTC4009CUF-2#TRPBF
LTC4009IUF#TRPBF
LTC4009IUF-1#TRPBF
LTC4009IUF-2#TRPBF
PART MARKING*
4009
40091
40092
4009
40091
40092
PACKAGE DESCRIPTION
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
TEMPERATURE RANGE
0°C to 85°C
0°C to 85°C
0°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
4009fd

LTC4009
LTC4009-1/LTC4009-2
elecTrical characTerisTics
SYMBOL
V
TOL
PARAMETER
V
BAT
Accuracy (See Test Circuits)
Charge Voltage Regulation
LTC4009
C-Grade
I-Grade
LTC4009-1/LTC4009-2
C-Grade
FVS1 = 0V, FVS0 = 0V, I-Grade
FVS1 = 0V, FVS1 = 5V, I-Grade
FVS1 = 5V, FVS0 = 0V, I-Grade
FVS1 = 5V, FVS1 = 5V, I-Grade
I
VFB
R
ON
I
LEAK-FBDIV
V
BOV
V
FB
Input Bias Current
FBDIV On-Resistance
FBDIV Output Leakage Current
V
FB
Overvoltage Threshold
BAT Overvoltage Threshold
Charge Current Regulation
I
TOL
Charge Current Accuracy with R
IN
= 3.01k,
6V < BAT < 18V (LTC4009),
6V < BAT < 15V (LTC4009-1, LTC4009-2)
Current Sense Amplifier Gain (PROG
∆I)
with
R
IN
= 3.01k, 6V < BAT < 18V (LTC4009),
6V < BAT < 15V (LTC4009-1, LTC4009-2)
R
PROG
= 26.7k
C-Grade
I-Grade
V
SENSE
= 0mV, PROG = 1.2V
A
I
V
CS-MAX
V
C10
V
REV
V
CL
I
CLN
V
ICL
OVR
I
DCO
I
CLPO
V
CBT
V
CNT
V
OVP
Shutdown
V
ACP
V
ACP(HYST)
I
DCDIV
V
IL
DCDIV AC Present Threshold Voltage
DCDIV ACP Threshold Hysteresis Voltage
DCDIV Input Current
SHDN
Input Voltage Low
DCDIV = 1.2V
l
l
l
l
l
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. DCIN = 20V, BAT = 12V, GND = 0V unless otherwise noted. (Note 2)
CONDITIONS
MIN
–0.5
–0.8
–1.0
–0.6
–0.8
–1.1
–1.15
–1.25
–1.35
±20
l
l
l
l
TYP
MAX
0.5
0.8
1.0
0.6
0.8
1.1
1.15
1.25
1.35
UNITS
%
%
%
%
%
%
%
%
%
nA
Ω
µA
V
%
V
FB
= 1.2V
I
LOAD
= 100µA
SHDN
= 0V, FBDIV = 0V
LTC4009
LTC4009-1/LTC4009-2, Relative to
Selected Output Voltage
–1
1.235
103
85
0
1.281
106
190
1
1.32
109
–4
–5
–9.5
–12.75
–1.78
–11.67
–1.66
4
5
9.5
–10.95
–1.54
%
%
%
µA
µA
V
SENSE
Step from 0mV to 5mV,
PROG = 1.2V
l
l
l
Maximum Peak Current Sense Threshold Voltage ITH = 2V, C-Grade
per Cycle (R
IN
= 3.01k)
ITH = 2V, I-Grade
ITH = 5V
C/10 Indicator Threshold Voltage
Reverse Current Threshold Voltage
Current Limit Threshold
PROG Falling
PROG Falling
CLP – CLN
C-Grade
I-Grade
CLN = CLP
(CLP – CLN) – V
CL
DCIN and CLP
No Gate Loads
CLP = 20V, No Gate Loads
CLP – DCIN, CLP Rising
DCIN – CLP CLP Falling
,
DCDIV Rising
140
125
340
180
97
96
92
–8
6
195
325
400
253
100
100
±100
–5
250
265
430
460
295
103
104
108
–2
28
mV
mV
mV
mV
mV
mV
mV
mV
nA
mV
V
mA
mA
mV
mV
V
mV
Input Current Regulation
l
l
CLN Input Bias Current
ICL
Indicator Threshold
Operating Voltage Range
DCIN Operating Current
CLP Operating Current
CLP Boost Threshold Voltage
CLP Normal Threshold Voltage (Note 5)
DCDIV Overvoltage Protection Threshold
DCIN, CLP Supplies
1.5
0.5
l
l
2
0.8
60
60
1.9
10
10
1.75
25
25
1.825
110
V
OVP(HYST)
DCDIV OVP Threshold Hysteresis
DCDIV Rising
l
1.13
–1
1.2
50
0
1.27
1
300
V
mV
µA
mV
4009fd

LTC4009
LTC4009-1/LTC4009-2
elecTrical characTerisTics
SYMBOL
V
IH
R
IN
I
DCS
I
CLPS
I
LEAK-BAT
I
LEAK-CSN
I
LEAK-CSP
I
LEAK-SW
PARAMETER
SHDN
Input Voltage High
SHDN
Pull-Down Resistance
DCIN Shutdown Current
CLP Shutdown Current
BAT Leakage Current
CSN Leakage Current
CSP Leakage Current
SW Leakage Current
SHDN
= 0V
CLP = 12V,
SHDN
= 0V or DCDIV = 0V
SHDN
= 0V or DCDIV = 0V,
0V ≤ CSP = CSN = BAT ≤ 20V
SHDN
= 0V or DCDIV = 0V,
0V ≤ CSP = CSN = BAT ≤ 20V
SHDN
= 0V or DCDIV = 0V,
0V ≤ CSP = CSN = BAT ≤ 20V
SHDN
= 0V or DCDIV = 0V,
0V ≤ SW ≤ 20V
No Load
I
DD
= 20mA
INTV
DD
= 0V
CLP – BAT, CLP Rising
C-Grade
I-Grade
ITH = 1.4V
467
C
LOAD
= 3.3nF
C
LOAD
= 3.3nF
C
LOAD
= 3.3nF 10% – 90%
,
C
LOAD
= 3.3nF 90% – 10%
,
C
LOAD
= 3.3nF 10% – 90%
,
C
LOAD
= 3.3nF 90% – 10%
,
C
LOAD
= 3.3nF 10% – 10%
,
20
98
50
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. DCIN = 20V, BAT = 12V, GND = 0V unless otherwise noted. (Note 2)
CONDITIONS
l
MIN
1.4
TYP
50
215
9
MAX
UNITS
V
kΩ
µA
18
1.5
1.5
1.5
2
µA
µA
µA
µA
µA
–1.5
–1.5
–1.5
–1
0
0
0
0
INTV
DD
Regulator
INTV
DD
∆V
DD
I
DD
V
CE
I
ITH
f
TYP
f
MIN
DC
MAX
t
R-TG
t
F-TG
t
R-BG
t
F-BG
t
NO
V
IL
V
IH
I
IN
V
OL
I
LEAK
I
C10
Output Voltage
Load Regulation
Short-Circuit Current (Note 6)
Charge Enable Threshold Voltage
l
4.85
5
–0.4
85
5.15
–1
130
V
%
mA
Switching Regulator
l
l
65
60
100
–40/+90
550
25
99
60
50
60
60
110
135
140
633
mV
mV
µA
kHz
kHz
%
ITH Current
Typical Switching Frequency
Minimum Switching Frequency
Maximum Duty Cycle
TGATE Rise Time
TGATE Fall Time
BGATE Rise Time
BGATE Fall Time
TGATE, BGATE Non-Overlap Time
Input Voltage Low
Input Voltage High
Input Current
Output Voltage Low
Output Leakage
CHRG
C/10 Current Sink
110
110
110
110
ns
ns
ns
ns
ns
Float Voltage Select Inputs (LTC4009-1/LTC4009-2 Only)
0.5
3.5
0V ≤ V
IN
≤ 5V
I
LOAD
= 100µA, PROG = 1.2V
SHDN
= 0V, DCDIV = 0V, V
OUT
= 20V
CHRG
= 2.5V
l
l
V
V
µA
mV
µA
µA
–10
10
500
Indicator Outputs
–10
15
25
10
38
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
The LTC4009C is guaranteed to meet performance specifications
over the 0°C to 85°C operating temperature range. The LTC4009I is
guaranteed to meet performance specifications over the –40°C to 125°C
operating temperature range.
Note 3:
Operating junction temperature T
J
(in °C) is calculated from
the ambient temperature T
A
and the total continuous package power
dissipation P
D
(in watts) by the formula T
J
= T
A
+ (θ
JA
• PD). Refer to the
Applications Information section for details.
Note 4:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND, unless otherwise
specified.
Note 5:
This threshold is guaranteed to be satisfied if CLP = DCIN when
the LTC4009 exits shutdown.
Note 6:
Output current may be limited by internal power dissipation. Refer
to the Applications Information section for details.
4009fd

LTC4009
LTC4009-1/LTC4009-2
TesT circuiTs
LTC4009
FROM ICL
(CLP = CLN)
LTC4009-1
LTC4009-2
FROM ICL
(CLP = CLN)
1.2085V
–
–
–
+
EA
1.2085V
–
–
–
+
EA
PROG
13
V
FB
10
1.2085V
TARGET
ITH
12
PROG
13
BAT
11
TARGET VARIES
WITH FVS0,1
ITH
12
+
LTC1055
+
LTC1055
–
4009 TC01
0.6V
–
4009 TC02
0.6V
(T
A
= 25°C unless otherwise noted. D
IN
= SSB44, L = IHLP-2525 6.8µH)
Efficiency at DCIN = 20V, BAT = 8V
100
R
SENSE
= 33m
R
IN
= 3.01k
10000
Typical perForMance characTerisTics
Efficiency at DCIN = 20V, BAT = 12V
100
R
SENSE
= 33m
R
IN
= 3.01k
POWER LOSS
EFFICIENCY
10000
95
EFFICIENCY (%)
POWER LOSS
90
EFFICIENCY
85
1000
95
EFFICIENCY (%)
POWER LOSS (mW)
POWER LOSS (mW)
90
1000
85
80
0
0.5
1.0
1.5
2.0
CHARGE CURRENT (A)
2.5
100
3.0
4009 G01
80
0
0.5
1.0
1.5
2.0
CHARGE CURRENT (A)
2.5
100
3.0
4009 G02
Efficiency at DCIN = 20V, BAT = 16V
100
R
SENSE
= 33m
R
IN
= 3.01k
EFFICIENCY
POWER LOSS
10000
0.10
0.08
0.06
V
FB
ERROR (%)
0.04
POWER LOSS (mW)
V
FB
Line Regulation
LTC4009 TEST CIRCUIT
300
275
250
225
R
ON
( )
200
175
150
125
100
5
10
20
15
CLP (V)
25
30
4009 G04
FBDIV R
ON
vs BAT
CLP = BAT + 3V
(CLP ≥ 6V)
95
EFFICIENCY (%)
0.02
0
–0.02
–0.04
–0.06
–0.08
90
1000
85
80
0
0.5
1.0
1.5
2.0
CHARGE CURRENT (A)
2.5
100
3.0
4009 G03
–0.10
75
0
5
15
10
BAT (V)
20
25
4009 G05
4009fd

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LTC4009IUF#TRPBF Related Products

LTC4009IUF#TRPBF LTC4009CUF-2#PBF LTC4009CUF#PBF LTC4009CUF#TRPBF LTC4009CUF-1#PBF LTC4009CUF-1#TRPBF LTC4009IUF#PBF
Description Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V Automotive 20-Pin QFN EP T/R Switching Battery Charger Li-Ion/Li-Pol 8000mA 4.2V 20-Pin QFN EP Tube Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V 20-Pin QFN EP Tube Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V 20-Pin QFN EP T/R Switching Battery Charger Li-Ion/Li-Pol 8000mA 4.1V 20-Pin QFN EP Tube Switching Battery Charger Li-Ion/Li-Pol 8000mA 4.1V 20-Pin QFN EP T/R Switching Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8000mA 2V to 28V Automotive 20-Pin QFN EP Tube
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active Active Active Active
Type Switching Battery Charger Switching Battery Charger Switching Battery Charger Switching Battery Charger Switching Battery Charger Switching Battery Charger Switching Battery Charger
Battery Type Lead-Acid|Li-FePO4|Li-Ion|Li-Pol|NiCd|NiMH Li-Ion|Li-Pol Lead-Acid|Li-FePO4|Li-Ion|Li-Pol|NiCd|NiMH Lead-Acid|Li-FePO4|Li-Ion|Li-Pol|NiCd|NiMH Li-Ion|Li-Pol Li-Ion|Li-Pol Lead-Acid|Li-FePO4|Li-Ion|Li-Pol|NiCd|NiMH
Maximum Supply Current (mA) 2 2 2 2 2 2 2
Minimum Operating Supply Voltage (V) 6 6 6 6 6 6 6
Maximum Operating Supply Voltage (V) 28 28 28 28 28 28 28
Output Voltage (V) 2 to 28 4.2 2 to 28 2 to 28 4.1 4.1 2 to 28
Output Current (mA) 8000(Max) 8000(Max) 8000(Max) 8000(Max) 8000(Max) 8000(Max) 8000(Max)
Maximum Operating Temperature (°C) 125 85 85 85 85 85 125
Supplier Temperature Grade Industrial Commercial Commercial Commercial Commercial Commercial Industrial
Packaging Tape and Reel Tube Tube Tape and Reel Tube Tape and Reel Tube
Pin Count 20 20 20 20 20 20 20
Standard Package Name QFN QFN QFN QFN QFN QFN QFN
Supplier Package QFN EP QFN EP QFN EP QFN EP QFN EP QFN EP QFN EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 4 4 4 4 4 4 4
Package Width 4 4 4 4 4 4 4
PCB changed 20 20 20 20 20 20 20
Lead Shape No Lead No Lead No Lead No Lead No Lead No Lead No Lead
HTS - 8542.39.00.01 8542.39.00.01 - 8542.39.00.01 - 8542.39.00.01

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COMPAQ 420G type SVGA color display power supply circuit

Relative humidity LED display and excessive humidity alarm circuit

Computer motherboard circuit diagram 810 3_30

Shortcut:   A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

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