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參數(shù)資料
| 型號(hào)： | LX2201CLQ-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, MLPQ-20 |
| 文件頁(yè)數(shù)： | 4/11頁(yè) |
| 文件大?。?/td> | 166K |
| 代理商： | LX2201CLQ-TR |
LX2201
PRODUCTION DATA SHEET
Not Recommended for New Design: See the LX2202
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright
2000
Rev. 1.3, 2006-02-09
WWW
.M
icrosemi
.CO
M
USB Li-Ion Battery Charger
TM
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VIN)..........................................................................-0.3V to 7V
Analog Input Signals (VIDx, VM, SNS) .............................................-0.3V to 7V
Battery Charging Current (IBAT).........................................................................2A
Discharge Current (IVDD)....................................................................................3A
Operating Junction Temperature.................................................................. 150
°C
Storage Temperature Range...........................................................-65
°C to 150°C
Peak Package Solder Reflow Temp. (40 second max. exposure) ... 260°C (+0, -5)
VIN Maximum DC Current..........................................................................500mA
VIN Maximum Surge Current.............................................................................2A
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal
.
TH ERMAL DATA
LQ Plastic Micro Lead Frame Quad Package 20-Pin
THERMAL RESISTANCE
-JUNCTION TO AMBIENT,
θ
JA
40
°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The
θ
JA numbers are guidelines for the thermal performance of the device/pc-board system. All of the
above assume no ambient airflow.
PACKAGE PIN OUT
VDD
VIN
CMP
BAT
N.C
.
PS
W
VID
1
VID
0
VM
CCP
ST
AT
CT
P
CUS
GN
D
1
6
11
16
2
3
4
5
78
9
10
12
13
14
15
17
18
19
20
Pad Is GND
LQ PACKAGE
(Top View)
N.C. – No Internal Connection
RoHS / Pb-free 100% Matte Tin Lead Finish
FUNCTIONAL PIN DESCRIPTION
Name
Description
BAT
Charging Output - This pin is wired to the positive terminal of the battery. (The negative battery terminal is wired to GND.)
CCP
Charge Current Programming Pin - A resistor (RCP) is connected between this pin and GND. The constant current is
determined by the following relationship:
BAT(MAX)
65000
RCP
I=
CMP
Compensation Pin – Connect a 0.1uF compensation capacitor from this pin to VDD.
CTP
Charge Termination Programming Pin – A resistor (RTP) is connected between this pin and GND. The termination charge
current is determined by the following relationship:
BAT(MIN)
7500
RTP
I=
CUS
Maximum VIN Current Programming Pin – A resistor (RUS) is connected between this pin and GND. The Hi Level charge
current is determined by the following relationship:
IN(HI))
1211
I=
RUS
GND
Common Ground
NC
Not Connected. This pin is connected internally and should be left floating.
PSW
PMOS Switch driver – This output is designed to drive the gate of an external PMOS power switch. The driver is pulled low
(PMOS on state) when VDD > VBAT.
VDD
Common Power Node – Connects to system power bus.
VIDx
State Select Input – Applying a two bit TTL compatible signal sets the desired state of the charger corresponding to the Truth
Table.
VIN
Voltage Input – Current limited USB input. Apply a USB compliant power input.
VM
Voltage Mode Select - Selects the constant voltage. VM = Low to select 4.2V charge level. VM = High to select 4.1V charge
level.
STAT
Status - This pin is a logic high level when the battery is being charged. A low signal indicates either under voltage lockout,
charge completed, or VBAT > VDD, or VID0 = VID1 = 0.
PP
AA
CC
KK
AA
GG
EE
DD
AA
TT
AA
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參數(shù)描述 |
|---|---|
| LX2202 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:2A Li-Ion Linear Charger and Power Control |
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