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參數資料
型號: TPS65920BZCH
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數: 96/115頁
文件大小: 1232K
代理商: TPS65920BZCH
LEDSYNC
LEDGND
LEDB
BATT
Device
*16...
BATT
120
W
160
W
037-045
SWCS037G
– MAY 2008 – REVISED APRIL 2011
9
LED Drivers
9.1
General Description
Two arrays of parallel LEDs are driven (dedicated for the phone light). The parallel LEDs are supplied by
VBAT, and the external resistor value is given for each LED. The TPS65920/TPS65930 device supports
two open-drain LED drivers for the keypad backlight, having drain connections tolerant of the main battery
voltage.
Figure 9-1 is the LED driver block diagram. Table 9-1 lists the electrical characteristics of the LED driver.
Figure 9-1. LED Driver Block Diagram
NOTE
For the component values, see Table 14-1.
Table 9-1. LED Driver Electrical Characteristics
Parameter
Conditions
Min
Typ
Max
Unit
IO = 160 mA
3
4
SW On resistance
IO = 60 mA
10
12
Copyright
2008–2011, Texas Instruments Incorporated
LED Drivers
81
focus.ti.com: TPS65930/TPS65920
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相關代理商/技術參數
參數描述
TPS65920BZCH 制造商:Texas Instruments 功能描述:Power Supply IC
TPS65920BZCHR 功能描述:開關變換器、穩壓器與控制器 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS65921B1ZQZ 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921B1ZQZR 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921BZQZ 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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