參數(shù)資料
型號(hào)： LTC3586EUFE-1#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： BATTERY CHARGE CONTROLLER, PQCC38
封裝： 4 X 6 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-38
文件頁(yè)數(shù)： 4/36頁(yè)
文件大?。?/td> 317K
代理商： LTC3586EUFE-1#PBF
LTC3586/LTC3586-1
12
3586fa
PIN FUNCTIONS
EN2 (Pin 20): Digital Input. This input enables the buck
switching regulator 2.
EN1 (Pin 21): Digital Input. This input enables the buck
switching regulator 1.
VIN4 (Pin 22): Power Input for Switching Regulator 4
(Boost). This pin will generally be connected to VOUT.
A 1μF MLCC capacitor is recommended on this pin.
FB2 (Pin 23): Feedback Input for (Buck) Switching Regu-
lator 2. When regulator 2’s control loop is complete, this
pin servos to 0.8V.
VIN2 (Pin 24): Power Input for (Buck) Switching Regu-
lator 2. This pin will generally be connected to VOUT.
A 1μF MLCC capacitor is recommended on this pin.
SW2 (Pin 25): Power Transmission Pin for (Buck) Switch-
ing Regulator 2.
SW1 (Pin 26): Power Transmission Pin for (Buck) Switch-
ing Regulator 1.
VIN1 (Pin 27): Power Input for (Buck) Switching Regula-
tor 1. This pin will generally be connected to VOUT. A 1μF
MLCC capacitor is recommended on this pin.
FB1 (Pin 28): Feedback Input for (Buck) Switching Regu-
lator 1. When regulator 1’s control loop is complete, this
pin servos to 0.8V.
PROG (Pin 29): Charge Current Program and Charge
Current Monitor Pin. Connecting a resistor from PROG
to ground programs the charge current. If sufcient in-
put power is available in constant-current mode, this pin
servos to 1V. The voltage on this pin always represents
the actual charge current.
CHRG (Pin 30): Open-Drain Charge Status Output. The
CHRG pin indicates the status of the battery charger. Four
possible states are represented by CHRG: charging, not
charging, unresponsive battery and battery temperature
out of range. CHRG is modulated at 35kHz and switches
between a low and a high duty cycle for easy recogni-
tion by either humans or microprocessors. See Table 3.
CHRG requires a pull-up resistor and/or LED to provide
indication.
GATE (Pin 31): Analog Output. This pin controls the gate
of an optional external P-channel MOSFET transistor used
to supplement the ideal diode between VOUT and BAT. The
external ideal diode operates in parallel with the internal
ideal diode. The source of the P-channel MOSFET should
be connected to VOUT and the drain should be connected
to BAT. If the external ideal diode FET is not used, GATE
should be left oating.
BAT (Pin 32): Single Cell Li-Ion Battery Pin. Depending on
available VBUS power, a Li-Ion battery on BAT will either
deliver power to VOUT through the ideal diode or be charged
from VOUT via the battery charger.
EN4 (Pin 33): Digital Input. This input enables the boost
switching regulator 4.
VOUT (Pin 34): Output Voltage of the Switching
PowerPath Controller and Input Voltage of the Battery
Charger. The majority of the portable product should be
powered from VOUT. The LTC3586/LTC3586-1 will partition
the available power between the external load on VOUT and
the internal battery charger. Priority is given to the external
load and any extra power is used to charge the battery. An
ideal diode from BAT to VOUT ensures that VOUT is powered
even if the load exceeds the allotted power from VBUS or
if the VBUS power source is removed. VOUT should be
bypassed with a low impedance ceramic capacitor.
VBUS (Pins 35, 36): Primary Input Power Pin. These
pins deliver power to VOUT via the SW pin by drawing
controlled current from a DC source such as a USB port
or wall adapter.
SW (Pin 37): Power Transmission Pin for the USB
Power Path. The SW pin delivers power from VBUS to VOUT
via the buck switching regulator. A 3.3μH inductor should
be connected from SW to VOUT.
FAULT (Pin 38): Bi-directional input/output (open-drain)
used to alert or receive information from other power
management ICs regarding an electrical fault.
Exposed Pad (Pin 39): Ground. The Exposed Pad should
be connected to a continuous ground plane on the second
layer of the printed circuit board by several vias directly
under the LTC3586/LTC3586-1.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3586EUFE-1-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Effi ciency USB Power Manager with Boost, Buck-Boost and Dual Bucks
LTC3586EUFE-2#PBF 功能描述:IC USB POWER MANAGER HE 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC3586EUFE-2#TRPBF 功能描述:IC USB POWER MANAGER HE 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC3586EUFE-3#PBF 功能描述:IC USB POWER MANAGER HE 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC3586EUFE-3#TRPBF 功能描述:IC USB POWER MANAGER HE 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
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