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參數(shù)資料
| 型號： | TPS65010RGZ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS |
| 中文描述： | 電源和電池管理集成電路鋰離子供電系統(tǒng) |
| 文件頁數(shù)： | 28/50頁 |
| 文件大?。?/td> | 1006K |
| 代理商： | TPS65010RGZ |
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www.ti.com
TPS65010 Power States Description
TPS65010
SLVS149A–JUNE 2003–REVISED JANUARY 2004
State 1: No Power
There are no batteries connected to the TPS65010. When main power is applied, the bandgap reference, LDOs,
and UVLO comparator start up. The RESPWRON, PWRFAIL, INT and MPU_RESET signals are held low. When
BATT_COVER goes high (de-bounced internally by the TPS65010), indicating that the battery cover has been
put in place and if VCC > UVLO, the power supplies are ramped in the sequence defined by PS_SEQ.
RESPWRON, PWRFAIL, INT and MPU_RESET are released when the RESPWRON timer has timed out after
t
n(RESPWRON)
sec. If VCC remains valid and no OVERTEMP condition occurs then the TPS65010 arrives in State
2: ON. If VCC < UVLO the TPS65010 keeps the bandgap reference and UVLO comparator active such that
when VCC>UVLO (during battery charge) the supplies are automatically activated.
State 2: ON
In this state, TPS65010 is fired up and ready to go. The switching converters can have their output voltages
programmed, the LDOs can be disabled or programmed. TPS65010 can exit this state either due to an
overtemperature condition, by an undervoltage condition at VCC, by BATT_COVER going low, or by the
processor programming low power mode. State 2 is left temporarily if the user activates the HOT_RESET pin.
State 3: Low Power Mode
This state is entered via the processor setting the ENABLE_LP bit in the serial interface and then raising the
LOW_PWR pin. The TPS65010 actually uses the rising edge of the internal signal formed by a logical AND of
the LOW_PWR and ENABLE LP signals to enter low power mode. The VMAIN switching converter remains
active, but the VCORE converter may be disabled in low power mode via the serial interface by setting the
LP_COREOFF bit in the VDCDC2 register. If left enabled, the VCORE voltage is set to the value predefined by
the CORELP0/1 bits in the VDCDC2 register. The LDO1OFF/nSLP and LDO2OFF/nSLP bits in the VREGS1
register determine whether the LDOs are turned off or put in a reduced power mode (transient speed-up circuitry
disabled in order to minimize quiescent current) in low power mode. All TPS65010 features remain addressable
via the serial interface. TPS65010 can exit this state either due to an undervoltage condition at VCC, due to
BATT_COVER going low, due to an OVERTEMP condition, by the processor deasserting the LOW_POWER pin
or by the user activating the HOT_RESET pin or the PB_ONOFF pin.
State 4: Shutdown
This state is entered automatically when either the V
CC
voltage is below UVLO the threshold, or if the TPS65010
junction temperature is too high, or if the BATT_COVER pins goes low. The shutdown state is left when the error
condition no longer applies.
Table 2 indicates the typical quiescent current consumption in each power state.
Table 2. TPS65010 Typical Current Consumption
TOTAL QUIESC-
ENT
CURRENT
0
30 μA-70 μA
30 μA-55 μA
13 μA
STATE
QUIESCENT CURRENT BREAKDOWN
1
2
3
4
VMAIN (12 μA) + VCORE (12 μA) + LDOs (20 μA each, max 2) + UVLO + reference + PowerGood
VMAIN (12 μA) + VCORE (12 μA) + LDOs (10 μA each, max 2) + UVLO + reference + PowerGood
UVLO + reference circuitry
28
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TPS65010RGZR | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65010RGZRG4 | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65010RGZT | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65010RGZTG4 | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65011EVM-049 | 功能描述:電源管理IC開發(fā)工具 TPS65011-049 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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