Battery
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Cell voltage |
| 3.7V/cell |
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Number of battery cell |
| 8 |
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Package configuration |
| Pin 1: BATT+: Battery positive power pin | |||
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| Pin 2: N/A |
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| Pin 3: B/I: Enable | ||
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| resistor to GND in system. | ||
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| Pin 4: TS: Detector Battery | ||
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| Pin 5: EC_SMD1: N/A | ||
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| Pin 6: EC_SMC1: SMbus CLOCK | ||
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| Pin 7: GND> EC_SMD1=SMbus DATA | ||
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Package voltag |
| Pin8: GND> Battery Ground Power Pin | |||
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LCD Inverter Specification |
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No. | Supplier |
| Model | Type |
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1 | CMO | 15.4” WXGA |
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2 | LG | 15.4”WXGA |
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3 | Samsung | 15.4” WXGA |
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4 | LG | 15.4”WSXGA+ |
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There are two control signals that come form system to control lamp brightness. One signal is named DAC_BRIG, which limits current to meet LCD lamp current specification. Another one is named PWM, which adjusts lamp brightness. This inverter brightness is adjusted by PWM burst mode. The PWM burst mode is that turning on and off the lamp at rate of 150Hz. The effective brightness is a function of the duty cycle.
Features
1.Wide range 9V to 21V input voltage.
2.Birghtness adjustment by PWM duty mode.
3.Close loop controls lamp current.
28 | Chapter 1 |
