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MAX1551
User Manual
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MAXIM MAX1551, MAX1555 User Manual

19-2902; Rev 0; 7/03
SOT23
________________________________
MAX1551/MAX1555
٫֠໗ޥ֬٫ăດ୯ྐၖ༶ԩթပᄮߘࢪ۠ࣁߘ࣊
৹ޠዷLjԌ৹ޠዷᇀݽؕ7Vوพ൩٫ႅă ౮ණུڪ࿮ቨ٫ଁࡧષPCғوԦনLjԌᆰၛᅍࡧ֬٫
๱ଔLjෳದᇀ٫֠ኴዮ՘Ăพ൩٫ႅዮݽوഉ࿒ԥ ࢙ؕفུڪ࿮ቨ቗Ǘۚص ڪ࿮ቨو୭࿮෫Lj֬٫ಹԥ࢙ߔڱLjۚกኒԧဏ֬٫ ٫ૣă
MAX1551
٫ᆚă ൌࠨქଁ֬٫٫ᆚᅘပLj
MAX1555
صᅳ
100mA (
৹ᅋᅢ֬٫Ljྐၖڭ໼ဳăصઘષDC٫ᆚ෫Lj֬٫ ٫ૣӇብཛྷ ܀ቛ٫֠૳٫ă
MAX1551/MAX1555
ᇀ
-40
Ҫࠆქޔ
ᇘઉᅋ
ઘĂدୣᅘDC٫ᆚ෫Lj֬٫٫ૣӇብཛྷ
USB
ዮؙ቗)ăሦჅLjࣩ٫ࢪསࣩ٫و
280mA (
ņባ
+85
৹ჾ׹
POK
CHG
٨ျ቗)ăྐၙෳᅋพ൩ಃӚ۠ࣁߘ
Գᅋ5ᄧĂҭျ
ņུڪ۶ཙ௠ă
USB*ࢪAC
MAX1551/MAX1555
พ־Ljᅋᅢቚ෸กܱઘષพ൩
พ־ቚ෸֬٫ኴຢă
คైಹ٫ᆚཛྷة
࢙ብཛྷّ٫౿ă
POK
USB
SOT23
________________________________
PDA
ྐ࿯හӄ
ܤྃ٫ࡨ
ืଵ࿰ࢲ
概述
ؕفུ
ࣅ࿯ಹো
ܢኰLjޠዷ
应用
封装Ă
USB/AC
单节
适配器双输入Ă
电池充电器
Li+
________________________________
使用
♦
♦
♦
♦ ♦ 5
♦
USB或AC
插入AC适配器时可自动进行切换 片上温度限制电路简化电路板设计 充电状态指示
引脚Ă薄型
受美国专利
适配器进行充电
SOT23
#6,507,172
封装
保护
_____________________________
PART TEMP RANGE PIN-PACKAGE
MAX1551EZK-T -40°C to +85°C 5 Thin SOT23-5
MAX1555EZK-T -40°C to +85°C 5 Thin SOT23-5
_____________________________
PART TOP MARK FEATURES
MAX1551EZK ADRT POK Output MAX1555EZK ADRU CHG Output
特性
MAX1551/MAX1555
定购信息
选择指南
_____________________________
TOP VIEW
15BATUSB
MAX1551
2
GND
POK
(CHG)
*Protected by U.S. Patent #6,507,172.
ӊྲྀก ۭᄕؓྥLj൥ၖവ്ൌࠨװᅷوኼവ၂LjഋԸ৬
索取免费样品和最新版的数据资料，请访问
ቁ෷ᄪྲྀዊ઻وᄕྲྀLj
Maxim
(MAX1555)
34
THIN SOT23
________________________________________________________________ Maxim Integrated Products 1
DC
ԥڶۭᄕቲ،ᇀو՘ᄖࢪᅑױդූوؓྥݘᇖăഋኢᄌᄕྲྀቲ৹௢،ᇀྲྀዖዩቑࢪ
Maxim
引脚配置
໗ޥوᄪྲྀҔዊ઻ă
Maxim
的主页：
Maxim
_________________________
AC ADAPTER
3.7V TO 7V
USB
3.7V TO 6V
www.maxim-ic.com
DC
USB
MAX1551
(MAX1555)
。
CHARGE
CONTROL
LOGIC
CONTROL
GND
典型工作电路
BAT
Li+
TO LOGIC RAIL
POK
(CHG)
TO SYSTEM LOAD
SOT23
封装Ă
USB/AC
适配器双输入Ă
单节
电池充电器
Li+
ABSOLUTE MAXIMUM RATINGS
DC to GND......................................................................0 to +8V
DC to BAT .......................................................................0 to +7V
BAT, CHG, POK, USB to GND .................................-0.3V to +7V
Continuous Power Dissipation (T
5-Pin Thin SOT23 (derate 9.1mW/°C above +70°C)....727mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
= +70°C)
A
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDC= 5V, V
DC
DC Voltage Range (Note 1) 3.7 7.0 V
DC to BAT Voltage Range 0.1 6.0 V
DC Undervoltage Lockout
MAX1551/MAX1555
Threshold
DC Supply Current 1.75 3 mA
DC to BAT On-Resistance VDC = 3.7V, V
DC to BAT Dropout Voltage
USB
USB Voltage Range (Note 1) 3.7 6.0 V
USB Undervoltage Threshold
USB Supply Current V USB to BAT On-Resistance V
USB to BAT Dropout Voltage
BAT
BAT Regulation Voltage VDC or V
DC Charging Current V
USB Charging Current V
BAT Prequal Threshold V
Prequalification Charging Current V
BAT Leakage Current VDC = V
POK, CHG, AND THERMAL LIMIT
CHG Threshold
CHG, POK Logic-Low Output I CHG, POK Leakage Current V
Thermal-Limit Temperature
= 0, I
USB
PARAMETER CONDITIONS MIN TYP MAX UNITS
BAT
= 0, C
= 1μF, TA = 0°C to +85°C, unless otherwise noted.)
BAT
Input rising, 430mV hysteresis, V
= 3.6V 1 2 Ω
BAT
When charging stops, V DC falling, 200mV hysteresis
Input rising, 430mV hysteresis, V V
= 3V (Note 1)
BAT
= 5V, VDC = 0 1.65 3 mA
USB
= 3.7V, V
USB
When charging stops, V USB falling, 200mV hysteresis, V
USB
= 3.3V, V
BAT
= 3.3V, VDC = 0, V
BAT
rising, 100mV hysteresis 2.9 3 3.1 V
BAT
= 2.8V 20 40 80 mA
BAT
USB
Charge current where CHG goes high,
falling, 50mA hysteresis
I
BAT
, I
CHG
POK
, V
CHG
POK
Charge current reduced by 17mA/°C above this temperature
= 3.6V, VDC = 0 2 4 Ω
BAT
= 5V 4.158 4.2 4.242 V
= 0, VDC = 5V 220 280 340 mA
USB
= 0, V
BAT
= 10mA 150 300 mV
= 6V, TA = +25°C 0.001 1 μA
= 4V,
BAT
= 4V,
BAT
= 5V 80 90 100 mA
USB
= 4.2V 5 μA
= 3V (Note 1) 3.75 3.95 4.15 V
BAT
= 0,
DC
= 0
DC
30 60 90 mV
3.75 3.95 4.15 V
30 60 90 mV
25 50 100 mA
+110 °C
2 _______________________________________________________________________________________
SOT23
封装Ă
USB/AC
适配器双输入Ă
单节
电池充电器
Li+
ELECTRICAL CHARACTERISTICS
(VDC= 5V, V
DC
DC Voltage Range (Note 1) 3.7 7.0 V
DC to BAT Voltage Range 0.1 6.0 V
DC Undervoltage Lockout Threshold
DC Supply Current 3mA
DC to BAT On-Resistance VDC = 3.7V, V
DC to BAT Dropout Voltage
USB
USB Voltage Range (Note 1) 3.7 6.0 V
USB Undervoltage Lockout Threshold
USB Supply Current V
USB to BAT On-Resistance V
USB to BAT Dropout Voltage
BAT
BAT Regulation Voltage VDC or V
DC Charging Current V
USB Charging Current V
BAT Prequal Threshold V
Prequalification Charging Current V
BAT Leakage Current VDC = V
POK, CHG
CHG Threshold
CHG, POK Logic-Low Output I CHG, POK Leakage Current V
Note 1: The input undervoltage lockout has 430mV of hysteresis. The charger turns on when an input rises to 3.95V (typ), and turns
off when it falls below 3.52V.
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
= 0, I
USB
PARAMETER CONDITIONS MIN MAX UNITS
BAT
= 0, C
= 1μF, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
BAT
Input rising, 430mV hysteresis, V
= 3.6V 2 Ω
BAT
When charging stops, V hysteresis
Input rising, 430mV hysteresis, VDC = 0, V (Note 1)
= 5V, VDC = 0 3 mA
USB
= 3.7V, V
USB
When charging stops, V hysteresis, V
USB
= 3.3V, V
BAT
= 3.3V, VDC = 0, V
BAT
rising, 100mV hysteresis 2.9 3.1 V
BAT
= 2.8V 20 80 mA
BAT
USB
Charge current where CHG goes high, I
falling, 50mA hysteresis
BAT
, I
CHG
POK
, V
CHG
POK
= 3.6V, VDC = 0 4 Ω
BAT
= 0
DC
= 5V 4.141 4.259 V
= 0, VDC = 5V 220 340 mA
USB
= 0, V
BAT
= 10mA 300 mV
= 6V, TA = +25°C1μA
= 4V, DC falling, 200mV
BAT
= 4V, USB falling, 200mV
BAT
= 5V 80 100 mA
USB
= 4.2V 5 μA
= 3V (Note 1) 3.75 4.15 V
BAT
= 3V
BAT
30 95 mV
3.75 4.15 V
30 95 mV
25 100 mA
MAX1551/MAX1555
_______________________________________________________________________________________ 3
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