參數(shù)資料
型號(hào)： LTC4010CFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： High Efficiency Standalone Nickel Battery Charger; Package: TSSOP; No of Pins: 16; Temperature Range: 0°C to +70°C
中文描述： BATTERY CHARGE CONTROLLER, 615 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.40 MM, LEAD FREE, EXPOSED PAD, PLASTIC, TSSOP-16
文件頁(yè)數(shù)： 5/24頁(yè)
文件大?。?/td> 212K
代理商： LTC4010CFE#PBF
13
LTC4010
4010fa
Status Outputs
The LTC4010 open-drain status outputs provide valuable
information about the IC’s operating state and can be
used for a variety of purposes in applications. Table 1
summarizes the state of the three status outputs and the
VCDIV pin as a function of LTC4010 operation. The status
outputs can directly drive current-limited LEDs termi-
nated to the DC input. The VCDIV column in Table 1 is
strictly informational. VCDIV should only be used to termi-
nate the VCELL resistor divider, as previously discussed.
OPERATIO
U
PWM Current Source Controller
An integral part of the LTC4010 is the PWM current source
controller. The charger uses a synchronous step-down
architecture to produce high efficiency and limited thermal
dissipation. The nominal operating frequency of 550kHz
allows use of a smaller external inductor. The TGATE and
BGATE outputs have internally clamped voltage swings.
They source peak currents tailored to smaller surface-
mount power FETs likely to appear in applications provid-
ing an average charge current of 3A or less. During the
various charging states, the LTC4010 uses the PWM
controller to regulate an average voltage between SENSE
and BAT that ranges from 10mV to 100mV.
A conceptual diagram of the LTC4010 PWM control loop
is shown in Figure 2.
The voltage across the external current programming
resistor RSENSE is averaged by integrating error amplifier
EA. An internal programming current is also pulled from
input resistor R1. The IPROG R1 product establishes the
desired average voltage drop across RSENSE, and hence,
the average current through RSENSE. The ITH output of the
OPERATIO
U
(Refer to Figure 1)
Table 1. LTC4010 Status Pins
READY
FAULT
CHRG
VCDIV
CHARGER STATE
Off
On
Off
On
Ready to Charge
(VTEMP Held Low)
or Automatic Recharge
On
Off
On
Precharge, Fast or Top Off
Charge (May be Paused)
On
On or Off
On
Temperature Limits
Exceeded
Off
On
Off
On
Fault State (Latched)
Figure 2. LTC4010 PWM Control Loop
10
–
+
CC
EA
ITH
IPROG
R3
Q
PWM CLOCK
S
R
R4
R1
BAT
9
SENSE
RSENSE
12
BGATE
14
TGATE
LTC4010
VCC
R2
4010 F02
相關(guān)PDF資料
PDF描述
LTC4010CFE#TRPBF High Efficiency Standalone Nickel Battery Charger; Package: TSSOP; No of Pins: 16; Temperature Range: 0°C to +70°C
LTC4011CFE#PBF High Efficiency Standalone Nickel Battery Charger; Package: TSSOP; No of Pins: 16; Temperature Range: 0°C to +70°C
LTC4011CFE#TRPBF High Efficiency Standalone Nickel Battery Charger; Package: TSSOP; No of Pins: 16; Temperature Range: 0°C to +70°C
LTC4050EMS-4.1#PBF Lithium-Ion Linear Battery Charger Controller with Thermistor Interface; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +125°C
LTC4050EMS-4.1#TRPBF Lithium-Ion Linear Battery Charger Controller with Thermistor Interface; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +125°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4010CFETR 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Standalone Nickel Battery Charger
LTC4010CFETRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Standalone Nickel Battery Charger
LTC4010EFE 制造商:LINEAR 制造商全稱:LINEAR 功能描述:High Efficiency Standalone Nickel Battery Charger
LTC4011 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Standalone Nickel Battery Charger
LTC4011_1 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Standalone Nickel Battery Charger
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*